Routes Preferred API is currently available only to select customers. Contact sales to learn more.

Package google.maps.routes.v1

Index

RoutesPreferred (interface)
ComputeCustomRoutesRequest (message)
ComputeCustomRoutesResponse (message)
ComputeCustomRoutesResponse.FallbackInfo (message)
ComputeCustomRoutesResponse.FallbackInfo.FallbackRouteObjective (enum)
ComputeRouteMatrixRequest (message)
ComputeRoutesRequest (message)
ComputeRoutesResponse (message)
CustomRoute (message)
FallbackInfo (message)
FallbackReason (enum)
FallbackRoutingMode (enum)
Location (message)
Maneuver (enum)
NavigationInstruction (message)
Polyline (message)
PolylineEncoding (enum)
PolylineQuality (enum)
Route (message)
RouteLeg (message)
RouteLegStep (message)
RouteLegStepTravelAdvisory (message)
RouteLegTravelAdvisory (message)
RouteMatrixDestination (message)
RouteMatrixElement (message)
RouteMatrixElementCondition (enum)
RouteMatrixOrigin (message)
RouteModifiers (message)
RouteObjective (message)
RouteObjective.RateCard (message)
RouteObjective.RateCard.MonetaryCost (message)
RouteTravelAdvisory (message)
RouteTravelMode (enum)
RoutingPreference (enum)
SpeedReadingInterval (message)
SpeedReadingInterval.Speed (enum)
TollInfo (message)
TollPass (enum)
Units (enum)
VehicleEmissionType (enum)
VehicleInfo (message)
Waypoint (message)

RoutesPreferred

The Routes Preferred API.

ComputeCustomRoutes

ComputeCustomRoutes
`rpc ComputeCustomRoutes(ComputeCustomRoutesRequest) returns (ComputeCustomRoutesResponse)` Given a set of terminal and intermediate waypoints, and a route objective, computes the best route for the route objective. Also returns fastest route and shortest route as reference routes. NOTE: This method requires that you specify a response field mask in the input. You can provide the response field mask by using the URL parameter `$fields` or `fields`, or by using the HTTP/gRPC header `X-Goog-FieldMask` (see the available URL parameters and headers. The value is a comma separated list of field paths. See this detailed documentation about how to construct the field paths. For example, in this method: Field mask of all available fields (for manual inspection): `X-Goog-FieldMask: ` Field mask of route distances, durations, token and toll info: `X-Goog-FieldMask: routes.route.distanceMeters,routes.route.duration,routes.token,routes.route.travelAdvisory.tollInfo` Google discourages the use of the wildcard (``) response field mask, or specifying the field mask at the top level (`routes`), because: Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency. Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response. Selecting only the fields that you need results in a smaller response size, and thus higher network throughput. Authorization Scopes Requires the following OAuth scope: `https://www.googleapis.com/auth/maps-platform.routespreferred` For more information, see the OAuth 2.0 Overview.

rpc ComputeCustomRoutes(ComputeCustomRoutesRequest) returns (ComputeCustomRoutesResponse)

Given a set of terminal and intermediate waypoints, and a route objective, computes the best route for the route objective. Also returns fastest route and shortest route as reference routes.

NOTE: This method requires that you specify a response field mask in the input. You can provide the response field mask by using the URL parameter $fields or fields, or by using the HTTP/gRPC header X-Goog-FieldMask (see the available URL parameters and headers. The value is a comma separated list of field paths. See this detailed documentation about how to construct the field paths.

For example, in this method:

Field mask of all available fields (for manual inspection): X-Goog-FieldMask: *
Field mask of route distances, durations, token and toll info: X-Goog-FieldMask: routes.route.distanceMeters,routes.route.duration,routes.token,routes.route.travelAdvisory.tollInfo

Google discourages the use of the wildcard (*) response field mask, or specifying the field mask at the top level (routes), because:

Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency.
Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response.
Selecting only the fields that you need results in a smaller response size, and thus higher network throughput.

Authorization Scopes

Requires the following OAuth scope:

https://www.googleapis.com/auth/maps-platform.routespreferred

For more information, see the OAuth 2.0 Overview.

ComputeRouteMatrix

ComputeRouteMatrix
`rpc ComputeRouteMatrix(ComputeRouteMatrixRequest) returns (RouteMatrixElement)` Takes in a list of origins and destinations and returns a stream containing route information for each combination of origin and destination. NOTE: This method requires that you specify a response field mask in the input. You can provide the response field mask by using the URL parameter `$fields` or `fields`, or by using the HTTP/gRPC header `X-Goog-FieldMask` (see the available URL parameters and headers. The value is a comma separated list of field paths. See this detailed documentation about how to construct the field paths. For example, in this method: Field mask of all available fields (for manual inspection): `X-Goog-FieldMask: ` Field mask of route durations, distances, element status, condition, and element indices (an example production setup): `X-Goog-FieldMask: originIndex,destinationIndex,status,condition,distanceMeters,duration` It is critical that you include `status` in your field mask as otherwise all messages will appear to be OK. Google discourages the use of the wildcard (``) response field mask, because: Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency. Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response. Selecting only the fields that you need results in a smaller response size, and thus higher network throughput. Authorization Scopes Requires the following OAuth scope: `https://www.googleapis.com/auth/maps-platform.routespreferred` For more information, see the OAuth 2.0 Overview.

rpc ComputeRouteMatrix(ComputeRouteMatrixRequest) returns (RouteMatrixElement)

Takes in a list of origins and destinations and returns a stream containing route information for each combination of origin and destination.

For example, in this method:

Field mask of all available fields (for manual inspection): X-Goog-FieldMask: *
Field mask of route durations, distances, element status, condition, and element indices (an example production setup): X-Goog-FieldMask: originIndex,destinationIndex,status,condition,distanceMeters,duration

It is critical that you include status in your field mask as otherwise all messages will appear to be OK. Google discourages the use of the wildcard (*) response field mask, because:

Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency.
Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response.
Selecting only the fields that you need results in a smaller response size, and thus higher network throughput.

Authorization Scopes

Requires the following OAuth scope:

https://www.googleapis.com/auth/maps-platform.routespreferred

For more information, see the OAuth 2.0 Overview.

ComputeRoutes

ComputeRoutes
`rpc ComputeRoutes(ComputeRoutesRequest) returns (ComputeRoutesResponse)` Returns the primary route along with optional alternate routes, given a set of terminal and intermediate waypoints. NOTE: This method requires that you specify a response field mask in the input. You can provide the response field mask by using URL parameter `$fields` or `fields`, or by using an HTTP/gRPC header `X-Goog-FieldMask` (see the available URL parameters and headers. The value is a comma separated list of field paths. See detailed documentation about how to construct the field paths. For example, in this method: Field mask of all available fields (for manual inspection): `X-Goog-FieldMask: ` Field mask of Route-level duration, distance, and polyline (an example production setup): `X-Goog-FieldMask: routes.duration,routes.distanceMeters,routes.polyline.encodedPolyline` Google discourage the use of the wildcard (``) response field mask, or specifying the field mask at the top level (`routes`), because: Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency. Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response. Selecting only the fields that you need results in a smaller response size, and thus higher network throughput. Authorization Scopes Requires the following OAuth scope: `https://www.googleapis.com/auth/maps-platform.routespreferred` For more information, see the OAuth 2.0 Overview.

rpc ComputeRoutes(ComputeRoutesRequest) returns (ComputeRoutesResponse)

Returns the primary route along with optional alternate routes, given a set of terminal and intermediate waypoints.

NOTE: This method requires that you specify a response field mask in the input. You can provide the response field mask by using URL parameter $fields or fields, or by using an HTTP/gRPC header X-Goog-FieldMask (see the available URL parameters and headers. The value is a comma separated list of field paths. See detailed documentation about how to construct the field paths.

For example, in this method:

Field mask of all available fields (for manual inspection): X-Goog-FieldMask: *
Field mask of Route-level duration, distance, and polyline (an example production setup): X-Goog-FieldMask: routes.duration,routes.distanceMeters,routes.polyline.encodedPolyline

Google discourage the use of the wildcard (*) response field mask, or specifying the field mask at the top level (routes), because:

Selecting only the fields that you need helps our server save computation cycles, allowing us to return the result to you with a lower latency.
Selecting only the fields that you need in your production job ensures stable latency performance. We might add more response fields in the future, and those new fields might require extra computation time. If you select all fields, or if you select all fields at the top level, then you might experience performance degradation because any new field we add will be automatically included in the response.
Selecting only the fields that you need results in a smaller response size, and thus higher network throughput.

Authorization Scopes

Requires the following OAuth scope:

https://www.googleapis.com/auth/maps-platform.routespreferred

For more information, see the OAuth 2.0 Overview.

ComputeCustomRoutesRequest

ComputeCustomRoutes request message.

Fields
`origin`	`Waypoint` Required. Origin waypoint.
`destination`	`Waypoint` Required. Destination waypoint.
`intermediates[]`	`Waypoint` Optional. A set of waypoints along the route (excluding terminal points), for either stopping at or passing by. Up to 25 intermediate waypoints are supported.
`travel_mode`	`RouteTravelMode` Optional. Specifies the mode of transportation. Only DRIVE is supported now.
`routing_preference`	`RoutingPreference` Optional. Specifies how to compute the route. The server attempts to use the selected routing preference to compute the route. If the routing preference results in an error or an extra long latency, then an error is returned. In the future, we might implement a fallback mechanism to use a different option when the preferred option does not give a valid result. You can specify this option only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
`polyline_quality`	`PolylineQuality` Optional. Specifies your preference for the quality of the polyline.
`polyline_encoding`	`PolylineEncoding` Optional. Specifies the preferred encoding for the polyline.
`departure_time`	`Timestamp` Optional. The departure time. If you don't set this value, then this value defaults to the time that you made the request. If you set this value to a time that has already occurred, then the request fails.
`route_modifiers`	`RouteModifiers` Optional. A set of conditions to satisfy that affect the way routes are calculated.
`route_objective`	`RouteObjective` Required. A route objective to optimize for.
`language_code`	`string` Optional. The BCP-47 language code, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier. See Language Support for the list of supported languages. When you don't provide this value, the display language is inferred from the location of the route request.
`units`	`Units` Optional. Specifies the units of measure for the display fields. This includes the `instruction` field in `NavigationInstruction`. The units of measure used for the route, leg, step distance, and duration are not affected by this value. If you don't provide this value, then the display units are inferred from the location of the request.

ComputeCustomRoutesResponse

ComputeCustomRoutes response message.

Fields
`routes[]`	`CustomRoute` The ‘best’ routes for the input route objective.
`fastest_route`	`CustomRoute` The fastest reference route.
`shortest_route`	`CustomRoute` The shortest reference route.
`fallback_info`	`FallbackInfo` Fallback info for custom routes.

FallbackInfo

Encapsulates fallback info for ComputeCustomRoutes. ComputeCustomRoutes performs two types of fallbacks:

If it cannot compute the route using the routing_preference requested by the customer, it will fallback to another routing mode. In this case fallback_routing_mode and routing_mode_fallback_reason are used to communicate the fallback routing mode used, as well as the reason for fallback.
If it cannot compute a 'best' route for the route objective specified by the customer, it might fallback to another objective. fallback_route_objective is used to communicate the fallback route objective.

Fields

Fields
`routing_mode`	`FallbackRoutingMode` Routing mode used for the response. If fallback was triggered, the mode may be different from routing preference set in the original client request.
`routing_mode_reason`	`FallbackReason` The reason why fallback response was used instead of the original response. This field is only populated when the fallback mode is triggered and the fallback response is returned.
`route_objective`	`FallbackRouteObjective` The route objective used for the response. If fallback was triggered, the objective may be different from the route objective provided in the original client request.

routing_mode

FallbackRoutingMode

Routing mode used for the response. If fallback was triggered, the mode may be different from routing preference set in the original client request.

routing_mode_reason

FallbackReason

The reason why fallback response was used instead of the original response. This field is only populated when the fallback mode is triggered and the fallback response is returned.

route_objective

FallbackRouteObjective

The route objective used for the response. If fallback was triggered, the objective may be different from the route objective provided in the original client request.

FallbackRouteObjective

RouteObjective used for the response.

Enums
`FALLBACK_ROUTE_OBJECTIVE_UNSPECIFIED`	Fallback route objective unspecified.
`FALLBACK_RATECARD_WITHOUT_TOLL_PRICE_DATA`	If customer requests RateCard and sets include_tolls to true, and Google does not have toll price data for the route, the API falls back to RateCard without considering toll price.

ComputeRouteMatrixRequest

ComputeRouteMatrix request message

Fields
`origins[]`	`RouteMatrixOrigin` Required. Array of origins, which determines the rows of the response matrix. Several size restrictions apply to the cardinality of origins and destinations: The number of elements (origins × destinations) must be no greater than 625 in any case. The number of elements (origins × destinations) must be no greater than 100 if routing_preference is set to `TRAFFIC_AWARE_OPTIMAL`. The number of waypoints (origins + destinations) specified as `place_id` must be no greater than 50.
`destinations[]`	`RouteMatrixDestination` Required. Array of destinations, which determines the columns of the response matrix.
`travel_mode`	`RouteTravelMode` Optional. Specifies the mode of transportation.
`routing_preference`	`RoutingPreference` Optional. Specifies how to compute the route. The server attempts to use the selected routing preference to compute the route. If the routing preference results in an error or an extra long latency, an error is returned. In the future, we might implement a fallback mechanism to use a different option when the preferred option does not give a valid result. You can specify this option only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
`departure_time`	`Timestamp` Optional. The departure time. If you don't set this value, this defaults to the time that you made the request. If you set this value to a time that has already occurred, the request fails.

ComputeRoutesRequest

ComputeRoutes request message.

Fields
`origin`	`Waypoint` Required. Origin waypoint.
`destination`	`Waypoint` Required. Destination waypoint.
`intermediates[]`	`Waypoint` Optional. A set of waypoints along the route (excluding terminal points), for either stopping at or passing by. Up to 25 intermediate waypoints are supported.
`travel_mode`	`RouteTravelMode` Optional. Specifies the mode of transportation.
`routing_preference`	`RoutingPreference` Optional. Specifies how to compute the route. The server attempts to use the selected routing preference to compute the route. If the routing preference results in an error or an extra long latency, then an error is returned. In the future, we might implement a fallback mechanism to use a different option when the preferred option does not give a valid result. You can specify this option only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
`polyline_quality`	`PolylineQuality` Optional. Specifies your preference for the quality of the polyline.
`polyline_encoding`	`PolylineEncoding` Optional. Specifies the preferred encoding for the polyline.
`departure_time`	`Timestamp` Optional. The departure time. If you don't set this value, then this value defaults to the time that you made the request. If you set this value to a time that has already occurred, then the request fails.
`compute_alternative_routes`	`bool` Specifies whether to calculate alternate routes in addition to the route.
`route_modifiers`	`RouteModifiers` Optional. A set of conditions to satisfy that affect the way routes are calculated.
`language_code`	`string` Optional. The BCP-47 language code, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier. See Language Support for the list of supported languages. When you don't provide this value, the display language is inferred from the location of the route request.
`units`	`Units` Optional. Specifies the units of measure for the display fields. This includes the `instruction` field in `NavigationInstruction`. The units of measure used for the route, leg, step distance, and duration are not affected by this value. If you don't provide this value, then the display units are inferred from the location of the request.
`optimize_waypoint_order`	`bool` If optimizeWaypointOrder is set to true, an attempt is made to re-order the specified intermediate waypoints to minimize the overall cost of the route. If any of the intermediate waypoints is via waypoint the request fails. Use ComputeRoutesResponse.Routes.optimized_intermediate_waypoint_index to find the new ordering. If routes.optimized_intermediate_waypoint_index is not requested in the `X-Goog-FieldMask` header, the request fails. If optimizeWaypointOrder is set to false, ComputeRoutesResponse.optimized_intermediate_waypoint_index is empty.

ComputeRoutesResponse

ComputeRoutes the response message.

Fields

Fields
`routes[]`	`Route` Contains an array of computed routes (up to three) when you specify compute_alternatives_routes, and contains just one route when you don't. When this array contains multiple entries, the first one is the most recommended route. If the array is empty, then it means no route could be found.
`fallback_info`	`FallbackInfo` In some cases when the server is not able to compute the route results with all of the input preferences, it may fallback to using a different way of computation. When fallback mode is used, this field contains detailed info about the fallback response. Otherwise this field is unset.

routes[]

Route

Contains an array of computed routes (up to three) when you specify compute_alternatives_routes, and contains just one route when you don't. When this array contains multiple entries, the first one is the most recommended route. If the array is empty, then it means no route could be found.

fallback_info

FallbackInfo

In some cases when the server is not able to compute the route results with all of the input preferences, it may fallback to using a different way of computation. When fallback mode is used, this field contains detailed info about the fallback response. Otherwise this field is unset.

CustomRoute

Encapsulates a custom route computed based on the route objective specified by the customer. CustomRoute contains a route and a route token, which can be passed to NavSDK to reconstruct the custom route for turn by turn navigation.

Fields

Fields
`route`	`Route` The route considered 'best' for the input route objective.
`token`	`string` Web-safe base64 encoded route token that can be passed to NavSDK, which allows NavSDK to reconstruct the route during navigation, and in the event of rerouting honor the original intention when RoutesPreferred ComputeCustomRoutes is called. Customers should treat this token as an opaque blob.

route

Route

The route considered 'best' for the input route objective.

token

string

Web-safe base64 encoded route token that can be passed to NavSDK, which allows NavSDK to reconstruct the route during navigation, and in the event of rerouting honor the original intention when RoutesPreferred ComputeCustomRoutes is called. Customers should treat this token as an opaque blob.

FallbackInfo

Information related to how and why a fallback result was used. If this field is set, then it means the server used a different routing mode from your preferred mode as fallback.

Fields

Fields
`routing_mode`	`FallbackRoutingMode` Routing mode used for the response. If fallback was triggered, the mode may be different from routing preference set in the original client request.
`reason`	`FallbackReason` The reason why fallback response was used instead of the original response. This field is only populated when the fallback mode is triggered and the fallback response is returned.

routing_mode

FallbackRoutingMode

Routing mode used for the response. If fallback was triggered, the mode may be different from routing preference set in the original client request.

reason

FallbackReason

The reason why fallback response was used instead of the original response. This field is only populated when the fallback mode is triggered and the fallback response is returned.

FallbackReason

Reasons for using fallback response.

Enums
`FALLBACK_REASON_UNSPECIFIED`	No fallback reason specified.
`SERVER_ERROR`	A server error happened while calculating routes with your preferred routing mode, but we were able to return a result calculated by an alternative mode.
`LATENCY_EXCEEDED`	We were not able to finish the calculation with your preferred routing mode on time, but we were able to return a result calculated by an alternative mode.

FallbackRoutingMode

Actual routing mode used for returned fallback response.

Enums
`FALLBACK_ROUTING_MODE_UNSPECIFIED`	Not used.
`FALLBACK_TRAFFIC_UNAWARE`	Indicates the "TRAFFIC_UNAWARE" routing mode was used to compute the response.
`FALLBACK_TRAFFIC_AWARE`	Indicates the "TRAFFIC_AWARE" routing mode was used to compute the response.

Location

Encapsulates a location (a geographic point, and an optional heading).

Fields

Fields
`lat_lng`	`LatLng` The waypoint's geographic coordinates.
`heading`	`Int32Value` The compass heading associated with the direction of the flow of traffic. This value is used to specify the side of the road to use for pickup and drop-off. Heading values can be from 0 to 360, where 0 specifies a heading of due North, 90 specifies a heading of due East, etc. You can use this field only for `DRIVE` and `TWO_WHEELER` travel modes.

lat_lng

LatLng

The waypoint's geographic coordinates.

heading

Int32Value

The compass heading associated with the direction of the flow of traffic. This value is used to specify the side of the road to use for pickup and drop-off. Heading values can be from 0 to 360, where 0 specifies a heading of due North, 90 specifies a heading of due East, etc. You can use this field only for DRIVE and TWO_WHEELER travel modes.

Maneuver

A set of values that specify the navigation action to take for the current step (e.g., turn left, merge, straight, etc.).

Enums
`MANEUVER_UNSPECIFIED`	Not used.
`TURN_SLIGHT_LEFT`	Turn slightly to the left.
`TURN_SHARP_LEFT`	Turn sharply to the left.
`UTURN_LEFT`	Make a left u-turn.
`TURN_LEFT`	Turn left.
`TURN_SLIGHT_RIGHT`	Turn slightly to the right.
`TURN_SHARP_RIGHT`	Turn sharply to the right.
`UTURN_RIGHT`	Make a right u-turn.
`TURN_RIGHT`	Turn right.
`STRAIGHT`	Go straight.
`RAMP_LEFT`	Take the left ramp.
`RAMP_RIGHT`	Take the right ramp.
`MERGE`	Merge into traffic.
`FORK_LEFT`	Take the left fork.
`FORK_RIGHT`	Take the right fork.
`FERRY`	Take the ferry.
`FERRY_TRAIN`	Take the train leading onto the ferry.
`ROUNDABOUT_LEFT`	Turn left at the roundabout.
`ROUNDABOUT_RIGHT`	Turn right at the roundabout.

NavigationInstruction

Fields

maneuver

Maneuver

Encapsulates the navigation instructions for the current step (e.g., turn left, merge, straight, etc.). This field determines which icon to display.

instructions

string

Instructions for navigating this step.

Polyline

Encapsulates an encoded polyline.

Fields

Fields
Union field `polyline_type`. Encapsulates the type of polyline. Defaults to encoded_polyline. `polyline_type` can be only one of the following:
`encoded_polyline`	`string` The string encoding of the polyline using the polyline encoding algorithm
`geo_json_linestring`	`Struct` Specifies a polyline using the GeoJSON LineString format

Union field polyline_type. Encapsulates the type of polyline. Defaults to encoded_polyline. polyline_type can be only one of the following:

encoded_polyline

string

The string encoding of the polyline using the polyline encoding algorithm

geo_json_linestring

Struct

Specifies a polyline using the GeoJSON LineString format

PolylineEncoding

Specifies the preferred type of polyline to be returned.

Enums
`POLYLINE_ENCODING_UNSPECIFIED`	No polyline type preference specified. Defaults to `ENCODED_POLYLINE`.
`ENCODED_POLYLINE`	Specifies a polyline encoded using the polyline encoding algorithm.
`GEO_JSON_LINESTRING`	Specifies a polyline using the GeoJSON LineString format

PolylineQuality

A set of values that specify the quality of the polyline.

Enums
`POLYLINE_QUALITY_UNSPECIFIED`	No polyline quality preference specified. Defaults to `OVERVIEW`.
`HIGH_QUALITY`	Specifies a high-quality polyline - which is composed using more points than `OVERVIEW`, at the cost of increased response size. Use this value when you need more precision.
`OVERVIEW`	Specifies an overview polyline - which is composed using a small number of points. Use this value when displaying an overview of the route. Using this option has a lower request latency compared to using the `HIGH_QUALITY` option.

Route

Encapsulates a route, which consists of a series of connected road segments that join beginning, ending, and intermediate waypoints.

Fields
`legs[]`	`RouteLeg` A collection of legs (path segments between waypoints) that make-up the route. Each leg corresponds to the trip between two non-`via` Waypoints. For example, a route with no intermediate waypoints has only one leg. A route that includes one non-`via` intermediate waypoint has two legs. A route that includes one `via` intermediate waypoint has one leg. The order of the legs matches the order of Waypoints from `origin` to `intermediates` to `destination`.
`distance_meters`	`int32` The travel distance of the route, in meters.
`duration`	`Duration` The length of time needed to navigate the route. If you set the `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as `static_duration`. If you set the `routing_preference` to either `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated taking traffic conditions into account.
`static_duration`	`Duration` The duration of traveling through the route without taking traffic conditions into consideration.
`polyline`	`Polyline` The overall route polyline. This polyline will be the combined polyline of all `legs`.
`description`	`string` A description of the route.
`warnings[]`	`string` An array of warnings to show when displaying the route.
`viewport`	`Viewport` The viewport bounding box of the polyline.
`travel_advisory`	`RouteTravelAdvisory` Additional information about the route.
`optimized_intermediate_waypoint_index[]`	`int32` If ComputeRoutesRequest.optimize_waypoint_order is set to true, this field contains the optimized ordering of intermediates waypoints. otherwise, this field is empty. For example, suppose the input is Origin: LA; Intermediates: Dallas, Bangor, Phoenix; Destination: New York; and the optimized intermediate waypoint order is: Phoenix, Dallas, Bangor. Then this field contains the values [2, 0, 1]. The index starts with 0 for the first intermediate waypoint.

RouteLeg

Encapsulates a segment between non-via waypoints.

Fields
`distance_meters`	`int32` The travel distance of the route leg, in meters.
`duration`	`Duration` The length of time needed to navigate the leg. If the `route_preference` is set to `TRAFFIC_UNAWARE`, then this value is the same as `static_duration`. If the `route_preference` is either `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated taking traffic conditions into account.
`static_duration`	`Duration` The duration of traveling through the leg, calculated without taking traffic conditions into consideration.
`polyline`	`Polyline` The overall polyline for this leg. This includes that each `step`'s polyline.
`start_location`	`Location` The start location of this leg. This might be different from the provided `origin`. For example, when the provided `origin` is not near a road, this is a point on the road.
`end_location`	`Location` The end location of this leg. This might be different from the provided `destination`. For example, when the provided `destination` is not near a road, this is a point on the road.
`steps[]`	`RouteLegStep` An array of steps denoting segments within this leg. Each step represents one navigation instruction.
`travel_advisory`	`RouteLegTravelAdvisory` Encapsulates the additional information that the user should be informed about, such as possible traffic zone restriction etc. on a route leg.

RouteLegStep

Encapsulates a segment of a RouteLeg. A step corresponds to a single navigation instruction. Route legs are made up of steps.

Fields
`distance_meters`	`int32` The travel distance of this step, in meters. In some circumstances, this field might not have a value.
`static_duration`	`Duration` The duration of travel through this step without taking traffic conditions into consideration. In some circumstances, this field might not have a value.
`polyline`	`Polyline` The polyline associated with this step.
`start_location`	`Location` The start location of this step.
`end_location`	`Location` The end location of this step.
`navigation_instruction`	`NavigationInstruction` Navigation instructions.
`travel_advisory`	`RouteLegStepTravelAdvisory` Encapsulates the additional information that the user should be informed about, such as possible traffic zone restriction on a leg step.

RouteLegStepTravelAdvisory

Encapsulates the additional information that the user should be informed about, such as possible traffic zone restriction on a leg step.

Fields

Fields
`speed_reading_intervals[]`	`SpeedReadingInterval` Speed reading intervals detailing traffic density. Applicable in case of `TRAFFIC_AWARE` and `TRAFFIC_AWARE_OPTIMAL` routing preferences. The intervals cover the entire polyline of the RouteLegStep without overlap. The start point of a specified interval is the same as the end point of the preceding interval. Example: `polyline: A ---- B ---- C ---- D ---- E ---- F ---- G speed_reading_intervals: [A,C), [C,D), [D,G).`

speed_reading_intervals[]

SpeedReadingInterval

Speed reading intervals detailing traffic density. Applicable in case of TRAFFIC_AWARE and TRAFFIC_AWARE_OPTIMAL routing preferences. The intervals cover the entire polyline of the RouteLegStep without overlap. The start point of a specified interval is the same as the end point of the preceding interval.

Example:

polyline: A ---- B ---- C ---- D ---- E ---- F ---- G
speed_reading_intervals: [A,C), [C,D), [D,G).

RouteLegTravelAdvisory

Encapsulates the additional information that the user should be informed about, such as possible traffic zone restriction etc. on a route leg.

Fields

Fields
`toll_info`	`TollInfo` Encapsulates information about tolls on the specific RouteLeg. This field is only populated if we expect there are tolls on the RouteLeg. If this field is set but the estimated_price subfield is not populated, we expect that road contains tolls but we do not know an estimated price. If this field does not exist, then there is no toll on the RouteLeg.
`speed_reading_intervals[]`	`SpeedReadingInterval` Speed reading intervals detailing traffic density. Applicable in case of `TRAFFIC_AWARE` and `TRAFFIC_AWARE_OPTIMAL` routing preferences. The intervals cover the entire polyline of the RouteLg without overlap. The start point of a specified interval is the same as the end point of the preceding interval. Example: `polyline: A ---- B ---- C ---- D ---- E ---- F ---- G speed_reading_intervals: [A,C), [C,D), [D,G).`

toll_info

TollInfo

Encapsulates information about tolls on the specific RouteLeg. This field is only populated if we expect there are tolls on the RouteLeg. If this field is set but the estimated_price subfield is not populated, we expect that road contains tolls but we do not know an estimated price. If this field does not exist, then there is no toll on the RouteLeg.

speed_reading_intervals[]

SpeedReadingInterval

Speed reading intervals detailing traffic density. Applicable in case of TRAFFIC_AWARE and TRAFFIC_AWARE_OPTIMAL routing preferences. The intervals cover the entire polyline of the RouteLg without overlap. The start point of a specified interval is the same as the end point of the preceding interval.

Example:

polyline: A ---- B ---- C ---- D ---- E ---- F ---- G
speed_reading_intervals: [A,C), [C,D), [D,G).

RouteMatrixDestination

A single destination for ComputeRouteMatrixRequest

Fields

Fields
`waypoint`	`Waypoint` Required. Destination waypoint

waypoint

Waypoint

Required. Destination waypoint

RouteMatrixElement

Encapsulates route information computed for an origin/destination pair in the ComputeRouteMatrix API. This proto can be streamed to the client.

Fields
`origin_index`	`int32` Zero-based index of the origin in the request.
`destination_index`	`int32` Zero-based index of the destination in the request.
`status`	`Status` Error status code for this element.
`condition`	`RouteMatrixElementCondition` Indicates whether the route was found or not. Independent of status.
`distance_meters`	`int32` The travel distance of the route, in meters.
`duration`	`Duration` The length of time needed to navigate the route. If you set the `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as `static_duration`. If you set the `routing_preference` to either `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated taking traffic conditions into account.
`static_duration`	`Duration` The duration of traveling through the route without taking traffic conditions into consideration.
`travel_advisory`	`RouteTravelAdvisory` Additional information about the route. For example: restriction information and toll information
`fallback_info`	`FallbackInfo` In some cases when the server is not able to compute the route with the given preferences for this particular origin/destination pair, it may fall back to using a different mode of computation. When fallback mode is used, this field contains detailed information about the fallback response. Otherwise this field is unset.

RouteMatrixElementCondition

The condition of the route being returned.

Enums
`ROUTE_MATRIX_ELEMENT_CONDITION_UNSPECIFIED`	Only used when the `status` of the element is not OK.
`ROUTE_EXISTS`	A route was found, and the corresponding information was filled out for the element.
`ROUTE_NOT_FOUND`	No route could be found. Fields containing route information, such as `distance_meters` or `duration`, will not be filled out in the element.

RouteMatrixOrigin

A single origin for ComputeRouteMatrixRequest

Fields

Fields
`waypoint`	`Waypoint` Required. Origin waypoint
`route_modifiers`	`RouteModifiers` Optional. Modifiers for every route that takes this as the origin

waypoint

Waypoint

Required. Origin waypoint

route_modifiers

RouteModifiers

Optional. Modifiers for every route that takes this as the origin

RouteModifiers

Encapsulates a set of optional conditions to satisfy when calculating the routes.

Fields
`avoid_tolls`	`bool` Specifies whether to avoid toll roads where reasonable. Preference will be given to routes not containing toll roads. Applies only to the `DRIVE` and `TWO_WHEELER` travel modes.
`avoid_highways`	`bool` Specifies whether to avoid highways where reasonable. Preference will be given to routes not containing highways. Applies only to the `DRIVE` and `TWO_WHEELER` travel modes.
`avoid_ferries`	`bool` Specifies whether to avoid ferries where reasonable. Preference will be given to routes not containing travel by ferries. Applies only to the `DRIVE` and`TWO_WHEELER` travel modes.
`avoid_indoor`	`bool` Specifies whether to avoid navigating indoors where reasonable. Preference will be given to routes not containing indoor navigation. Applies only to the `WALK` travel mode.
`vehicle_info`	`VehicleInfo` Specifies the vehicle information.
`toll_passes[]`	`TollPass` Encapsulates information about toll passes. If toll passes are provided, the API tries to return the pass price. If toll passes are not provided, the API treats the toll pass as unknown and tries to return the cash price. Applies only to the DRIVE and TWO_WHEELER travel modes.

RouteObjective

Encapsulates an objective to optimize for by ComputeCustomRoutes.

Fields

Fields
`rate_card`	`RateCard` The RateCard objective.

rate_card

RateCard

The RateCard objective.

RateCard

Encapsulates a RateCard route objective.

Fields

Fields
`cost_per_minute`	`MonetaryCost` Optional. Cost per minute.
`cost_per_km`	`MonetaryCost` Optional. Cost per kilometer.
`include_tolls`	`bool` Optional. Whether to include toll cost in the overall cost.

cost_per_minute

MonetaryCost

Optional. Cost per minute.

cost_per_km

MonetaryCost

Optional. Cost per kilometer.

include_tolls

bool

Optional. Whether to include toll cost in the overall cost.

MonetaryCost

Encapsulates the cost used in the rate card.

Fields

Fields
`value`	`double` Required. The cost value in local currency inferred from the request.

value

double

Required. The cost value in local currency inferred from the request.

RouteTravelAdvisory

Encapsulates the additional information that the user should be informed about, such as possible traffic zone restriction etc.

Fields

Fields
`toll_info`	`TollInfo` Encapsulates information about tolls on the Route. This field is only populated if we expect there are tolls on the Route. If this field is set but the estimated_price subfield is not populated, we expect that road contains tolls but we do not know an estimated price. If this field is not set, then we expect there is no toll on the Route.
`speed_reading_intervals[]`	`SpeedReadingInterval` Speed reading intervals detailing traffic density. Applicable in case of `TRAFFIC_AWARE` and `TRAFFIC_AWARE_OPTIMAL` routing preferences. The intervals cover the entire polyline of the route without overlap. The start point of a specified interval is the same as the end point of the preceding interval. Example: `polyline: A ---- B ---- C ---- D ---- E ---- F ---- G speed_reading_intervals: [A,C), [C,D), [D,G).`

toll_info

TollInfo

Encapsulates information about tolls on the Route. This field is only populated if we expect there are tolls on the Route. If this field is set but the estimated_price subfield is not populated, we expect that road contains tolls but we do not know an estimated price. If this field is not set, then we expect there is no toll on the Route.

speed_reading_intervals[]

SpeedReadingInterval

Speed reading intervals detailing traffic density. Applicable in case of TRAFFIC_AWARE and TRAFFIC_AWARE_OPTIMAL routing preferences. The intervals cover the entire polyline of the route without overlap. The start point of a specified interval is the same as the end point of the preceding interval.

Example:

polyline: A ---- B ---- C ---- D ---- E ---- F ---- G
speed_reading_intervals: [A,C), [C,D), [D,G).

RouteTravelMode

A set of values used to specify the mode of travel.

Enums
`TRAVEL_MODE_UNSPECIFIED`	No travel mode specified. Defaults to `DRIVE`.
`DRIVE`	Travel by passenger car.
`BICYCLE`	Travel by bicycle.
`WALK`	Travel by walking.
`TWO_WHEELER`	Two-wheeled, motorized vehicle. For example, motorcycle. Note that this differs from the `BICYCLE` travel mode which covers human-powered mode.
`TAXI`	Travel by licensed taxi, which may allow the vehicle to travel on designated taxi lanes in some areas. TAXI mode is an experimental feature. If customer requests TAXI route in a city where taxi lane data is not available, a DRIVE route is returned.

RoutingPreference

A set of values that specify factors to take into consideration when calculating the route.

Enums
`ROUTING_PREFERENCE_UNSPECIFIED`	No routing preference specified. Default to `TRAFFIC_AWARE`.
`TRAFFIC_UNAWARE`	Computes routes without taking traffic conditions into consideration. Suitable when traffic conditions don't matter. Using this value produces the lowest latency.
`TRAFFIC_AWARE`	Calculates routes taking traffic conditions into consideration. In contrast to `TRAFFIC_AWARE_OPTIMAL`, some optimizations are applied to significantly reduce latency.
`TRAFFIC_AWARE_OPTIMAL`	Calculates the routes taking traffic conditions into consideration, without applying most performance optimizations. Using this value produces the highest latency.

SpeedReadingInterval

Traffic density indicator on a contiguous segment of a polyline or path. Given a path with points P_0, P_1, ... , P_N (zero-based index), the SpeedReadingInterval defines an interval and describes its traffic using the following categories.

Fields

Fields
`start_polyline_point_index`	`int32` The starting index of this interval in the polyline. In JSON, when the index is 0, the field appears to be unpopulated.
`end_polyline_point_index`	`int32` The ending index of this interval in the polyline. In JSON, when the index is 0, the field appears to be unpopulated.
`speed`	`Speed` Traffic speed in this interval.

start_polyline_point_index

int32

The starting index of this interval in the polyline. In JSON, when the index is 0, the field appears to be unpopulated.

end_polyline_point_index

int32

The ending index of this interval in the polyline. In JSON, when the index is 0, the field appears to be unpopulated.

speed

Speed

Traffic speed in this interval.

Speed

The classification of polyline speed based on traffic data.

Enums
`SPEED_UNSPECIFIED`	Default value. This value is unused.
`NORMAL`	Normal speed, no slowdown is detected.
`SLOW`	Slowdown detected, but no traffic jam formed.
`TRAFFIC_JAM`	Traffic jam detected.

TollInfo

Encapsulates toll information on a Route or on a RouteLeg.

Fields

Fields
`estimated_price[]`	`Money` The monetary amount of tolls for the corresponding Route or RouteLeg. This list contains a money amount for each currency that is expected to be charged by the toll stations. Typically this list will contain only one item for routes with tolls in one currency. For international trips, this list may contain multiple items to reflect tolls in different currencies.

estimated_price[]

Money

The monetary amount of tolls for the corresponding Route or RouteLeg. This list contains a money amount for each currency that is expected to be charged by the toll stations. Typically this list will contain only one item for routes with tolls in one currency. For international trips, this list may contain multiple items to reflect tolls in different currencies.

TollPass

List of toll passes around the world that we support.

Enums
`TOLL_PASS_UNSPECIFIED`	Not used. If this value is used, then the request fails.
`AU_ETOLL_TAG`	One of many Sydney toll pass providers. https://www.myetoll.com.au
`AU_EWAY_TAG`	One of many Sydney toll pass providers. https://www.tollpay.com.au/
`AU_LINKT`	Australia-wide toll pass. See additional details at https://www.linkt.com.au/.
`AR_TELEPASE`	Argentina toll pass. See additional details at https://telepase.com.ar
`BR_AUTO_EXPRESO`	Brazil toll pass. See additional details at https://www.autoexpreso.com
`BR_CONECTCAR`	Brazil toll pass. See additional details at https://conectcar.com.
`BR_MOVE_MAIS`	Brazil toll pass. See additional details at https://movemais.com.
`BR_PASSA_RAPIDO`	Brazil toll pass. See additional details at https://pasorapido.gob.do/
`BR_SEM_PARAR`	Brazil toll pass. See additional details at https://www.semparar.com.br.
`BR_TAGGY`	Brazil toll pass. See additional details at https://taggy.com.br.
`BR_VELOE`	Brazil toll pass. See additional details at https://veloe.com.br/site/onde-usar.
`CA_US_AKWASASNE_SEAWAY_CORPORATE_CARD`	Canada to United States border crossing.
`CA_US_AKWASASNE_SEAWAY_TRANSIT_CARD`	Canada to United States border crossing.
`CA_US_BLUE_WATER_EDGE_PASS`	Ontario, Canada to Michigan, United States border crossing.
`CA_US_CONNEXION`	Ontario, Canada to Michigan, United States border crossing.
`CA_US_NEXUS_CARD`	Canada to United States border crossing.
`ID_E_TOLL`	Indonesia. E-card provided by multiple banks used to pay for tolls. All e-cards via banks are charged the same so only one enum value is needed. E.g. Bank Mandiri https://www.bankmandiri.co.id/e-money BCA https://www.bca.co.id/flazz BNI https://www.bni.co.id/id-id/ebanking/tapcash
`IN_FASTAG`	India.
`IN_LOCAL_HP_PLATE_EXEMPT`	India, HP state plate exemption.
`MX_TAG_IAVE`	Mexico toll pass.
`MX_TAG_TELEVIA`	Mexico toll pass company. One of many operating in Mexico City. See additional details at https://www.televia.com.mx.
`MX_VIAPASS`	Mexico toll pass. See additional details at https://www.viapass.com.mx/viapass/web_home.aspx.
`US_AL_FREEDOM_PASS`	AL, USA.
`US_AK_ANTON_ANDERSON_TUNNEL_BOOK_OF_10_TICKETS`	AK, USA.
`US_CA_FASTRAK`	CA, USA.
`US_CA_FASTRAK_CAV_STICKER`	Indicates driver has any FasTrak pass in addition to the DMV issued Clean Air Vehicle (CAV) sticker. https://www.bayareafastrak.org/en/guide/doINeedFlex.shtml
`US_CO_EXPRESSTOLL`	CO, USA.
`US_CO_GO_PASS`	CO, USA.
`US_DE_EZPASSDE`	DE, USA.
`US_FL_BOB_SIKES_TOLL_BRIDGE_PASS`	FL, USA.
`US_FL_DUNES_COMMUNITY_DEVELOPMENT_DISTRICT_EXPRESSCARD`	FL, USA.
`US_FL_EPASS`	FL, USA.
`US_FL_GIBA_TOLL_PASS`	FL, USA.
`US_FL_LEEWAY`	FL, USA.
`US_FL_SUNPASS`	FL, USA.
`US_FL_SUNPASS_PRO`	FL, USA.
`US_IL_EZPASSIL`	IL, USA.
`US_IL_IPASS`	IL, USA.
`US_IN_EZPASSIN`	IN, USA.
`US_KS_BESTPASS_HORIZON`	KS, USA.
`US_KS_KTAG`	KS, USA.
`US_KS_NATIONALPASS`	KS, USA.
`US_KS_PREPASS_ELITEPASS`	KS, USA.
`US_KY_RIVERLINK`	KY, USA.
`US_LA_GEAUXPASS`	LA, USA.
`US_LA_TOLL_TAG`	LA, USA.
`US_MA_EZPASSMA`	MA, USA.
`US_MD_EZPASSMD`	MD, USA.
`US_ME_EZPASSME`	ME, USA.
`US_MI_AMBASSADOR_BRIDGE_PREMIER_COMMUTER_CARD`	MI, USA.
`US_MI_GROSSE_ILE_TOLL_BRIDGE_PASS_TAG`	MI, USA.
`US_MI_IQ_PROX_CARD`	MI, USA.
`US_MI_MACKINAC_BRIDGE_MAC_PASS`	MI, USA.
`US_MI_NEXPRESS_TOLL`	MI, USA.
`US_MN_EZPASSMN`	MN, USA.
`US_NC_EZPASSNC`	NC, USA.
`US_NC_PEACH_PASS`	NC, USA.
`US_NC_QUICK_PASS`	NC, USA.
`US_NH_EZPASSNH`	NH, USA.
`US_NJ_DOWNBEACH_EXPRESS_PASS`	NJ, USA.
`US_NJ_EZPASSNJ`	NJ, USA.
`US_NY_EXPRESSPASS`	NY, USA.
`US_NY_EZPASSNY`	NY, USA.
`US_OH_EZPASSOH`	OH, USA.
`US_PA_EZPASSPA`	PA, USA.
`US_RI_EZPASSRI`	RI, USA.
`US_SC_PALPASS`	SC, USA.
`US_TX_BANCPASS`	TX, USA.
`US_TX_DEL_RIO_PASS`	TX, USA.
`US_TX_EFAST_PASS`	TX, USA.
`US_TX_EAGLE_PASS_EXPRESS_CARD`	TX, USA.
`US_TX_EPTOLL`	TX, USA.
`US_TX_EZ_CROSS`	TX, USA.
`US_TX_EZTAG`	TX, USA.
`US_TX_LAREDO_TRADE_TAG`	TX, USA.
`US_TX_PLUSPASS`	TX, USA.
`US_TX_TOLLTAG`	TX, USA.
`US_TX_TXTAG`	TX, USA.
`US_TX_XPRESS_CARD`	TX, USA.
`US_UT_ADAMS_AVE_PARKWAY_EXPRESSCARD`	UT, USA.
`US_VA_EZPASSVA`	VA, USA.
`US_WA_BREEZEBY`	WA, USA.
`US_WA_GOOD_TO_GO`	WA, USA.
`US_WV_EZPASSWV`	WV, USA.
`US_WV_MEMORIAL_BRIDGE_TICKETS`	WV, USA.
`US_WV_NEWELL_TOLL_BRIDGE_TICKET`	WV, USA.

Units

A set of values that specify the unit of measure used in the display.

Enums
`UNITS_UNSPECIFIED`	Units of measure not specified. Defaults to the unit of measure inferred from the request.
`METRIC`	Metric units of measure.
`IMPERIAL`	Imperial (English) units of measure.

VehicleEmissionType

A set of values describing the vehicle's emission type. Applies only to the DRIVE travel mode.

Enums
`VEHICLE_EMISSION_TYPE_UNSPECIFIED`	No emission type specified. Default to GASOLINE.
`GASOLINE`	Gasoline/petrol fueled vehicle.
`ELECTRIC`	Electricity powered vehicle.
`HYBRID`	Hybrid fuel (such as gasoline + electric) vehicle.

VehicleInfo

Encapsulates the vehicle information, such as the license plate last character.

Fields

Fields
`emission_type`	`VehicleEmissionType` Describes the vehicle's emission type. Applies only to the DRIVE travel mode.

emission_type

VehicleEmissionType

Describes the vehicle's emission type. Applies only to the DRIVE travel mode.

Waypoint

Encapsulates a waypoint. Waypoints mark both the beginning and end of a route, and include intermediate stops along the route.

Fields
`via`	`bool` Marks this waypoint as a milestone rather a stopping point. For each non-via waypoint in the request, the response appends an entry to the `legs` array to provide the details for stopovers on that leg of the trip. Set this value to true when you want the route to pass through this waypoint without stopping over. Via waypoints don't cause an entry to be added to the `legs` array, but they do route the journey through the waypoint. You can only set this value on waypoints that are intermediates. The request fails if you set this field on terminal waypoints. If ComputeRoutesRequest.optimize_waypoint_order is set to true then this field cannot be set to true; otherwise, the request fails.
`vehicle_stopover`	`bool` Indicates that the waypoint is meant for vehicles to stop at, where the intention is to either pickup or drop-off. When you set this value, the calculated route won't include non-`via` waypoints on roads that are unsuitable for pickup and drop-off. This option works only for `DRIVE` and `TWO_WHEELER` travel modes, and when the `location_type` is `location`.
`side_of_road`	`bool` Indicates that the location of this waypoint is meant to have a preference for the vehicle to stop at a particular side of road. When you set this value, the route will pass through the location so that the vehicle can stop at the side of road that the location is biased towards from the center of the road. This option works only for 'DRIVE' and 'TWO_WHEELER' travel modes, and when the 'location_type' is set to 'location'.
Union field `location_type`. Different ways to represent a location. `location_type` can be only one of the following:
`location`	`Location` A point specified using geographic coordinates, including an optional heading.
`place_id`	`string` The POI Place ID associated with the waypoint.