Travel Modes in Directions

This example demonstrates the use of the DirectionsService object to fetch directions for different travel modes.

Read the documentation.

TypeScript

function initMap(): void {
  const directionsRenderer = new google.maps.DirectionsRenderer();
  const directionsService = new google.maps.DirectionsService();
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      zoom: 14,
      center: { lat: 37.77, lng: -122.447 },
    }
  );
  directionsRenderer.setMap(map);

  calculateAndDisplayRoute(directionsService, directionsRenderer);
  (document.getElementById("mode") as HTMLInputElement).addEventListener(
    "change",
    () => {
      calculateAndDisplayRoute(directionsService, directionsRenderer);
    }
  );
}

function calculateAndDisplayRoute(
  directionsService: google.maps.DirectionsService,
  directionsRenderer: google.maps.DirectionsRenderer
) {
  const selectedMode = (document.getElementById("mode") as HTMLInputElement)
    .value;
  directionsService.route(
    {
      origin: { lat: 37.77, lng: -122.447 }, // Haight.
      destination: { lat: 37.768, lng: -122.511 }, // Ocean Beach.
      // Note that Javascript allows us to access the constant
      // using square brackets and a string value as its
      // "property."
      // @ts-ignore
      travelMode: google.maps.TravelMode[selectedMode],
    },
    (response, status) => {
      if (status == "OK") {
        directionsRenderer.setDirections(response);
      } else {
        window.alert("Directions request failed due to " + status);
      }
    }
  );
}
index.ts

JavaScript

function initMap() {
  const directionsRenderer = new google.maps.DirectionsRenderer();
  const directionsService = new google.maps.DirectionsService();
  const map = new google.maps.Map(document.getElementById("map"), {
    zoom: 14,
    center: { lat: 37.77, lng: -122.447 },
  });
  directionsRenderer.setMap(map);
  calculateAndDisplayRoute(directionsService, directionsRenderer);
  document.getElementById("mode").addEventListener("change", () => {
    calculateAndDisplayRoute(directionsService, directionsRenderer);
  });
}

function calculateAndDisplayRoute(directionsService, directionsRenderer) {
  const selectedMode = document.getElementById("mode").value;
  directionsService.route(
    {
      origin: { lat: 37.77, lng: -122.447 },
      destination: { lat: 37.768, lng: -122.511 },
      // Note that Javascript allows us to access the constant
      // using square brackets and a string value as its
      // "property."
      travelMode: google.maps.TravelMode[selectedMode],
    },
    (response, status) => {
      if (status == "OK") {
        directionsRenderer.setDirections(response);
      } else {
        window.alert("Directions request failed due to " + status);
      }
    }
  );
}

index.js

CSS

/* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
#map {
  height: 100%;
}

/* Optional: Makes the sample page fill the window. */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: "Roboto", "sans-serif";
  line-height: 30px;
  padding-left: 10px;
}

style.css

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Travel Modes in Directions</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script src="./index.js"></script>
  </head>
  <body>
    <div id="floating-panel">
      <b>Mode of Travel: </b>
      <select id="mode">
        <option value="DRIVING">Driving</option>
        <option value="WALKING">Walking</option>
        <option value="BICYCLING">Bicycling</option>
        <option value="TRANSIT">Transit</option>
      </select>
    </div>
    <div id="map"></div>

    <!-- Async script executes immediately and must be after any DOM elements used in callback. -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      async
    ></script>
  </body>
</html>
sample.html

All

<!DOCTYPE html>
<html>
  <head>
    <title>Travel Modes in Directions</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <style type="text/css">
      /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
      #map {
        height: 100%;
      }

      /* Optional: Makes the sample page fill the window. */
      html,
      body {
        height: 100%;
        margin: 0;
        padding: 0;
      }

      #floating-panel {
        position: absolute;
        top: 10px;
        left: 25%;
        z-index: 5;
        background-color: #fff;
        padding: 5px;
        border: 1px solid #999;
        text-align: center;
        font-family: "Roboto", "sans-serif";
        line-height: 30px;
        padding-left: 10px;
      }
    </style>
    <script>
      function initMap() {
        const directionsRenderer = new google.maps.DirectionsRenderer();
        const directionsService = new google.maps.DirectionsService();
        const map = new google.maps.Map(document.getElementById("map"), {
          zoom: 14,
          center: { lat: 37.77, lng: -122.447 },
        });
        directionsRenderer.setMap(map);
        calculateAndDisplayRoute(directionsService, directionsRenderer);
        document.getElementById("mode").addEventListener("change", () => {
          calculateAndDisplayRoute(directionsService, directionsRenderer);
        });
      }

      function calculateAndDisplayRoute(directionsService, directionsRenderer) {
        const selectedMode = document.getElementById("mode").value;
        directionsService.route(
          {
            origin: { lat: 37.77, lng: -122.447 },
            destination: { lat: 37.768, lng: -122.511 },
            // Note that Javascript allows us to access the constant
            // using square brackets and a string value as its
            // "property."
            travelMode: google.maps.TravelMode[selectedMode],
          },
          (response, status) => {
            if (status == "OK") {
              directionsRenderer.setDirections(response);
            } else {
              window.alert("Directions request failed due to " + status);
            }
          }
        );
      }
    </script>
  </head>
  <body>
    <div id="floating-panel">
      <b>Mode of Travel: </b>
      <select id="mode">
        <option value="DRIVING">Driving</option>
        <option value="WALKING">Walking</option>
        <option value="BICYCLING">Bicycling</option>
        <option value="TRANSIT">Transit</option>
      </select>
    </div>
    <div id="map"></div>

    <!-- Async script executes immediately and must be after any DOM elements used in callback. -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      async
    ></script>
  </body>
</html>

inline.html
function initMap() { const directionsRenderer = new google.maps.DirectionsRenderer(); const directionsService = new google.maps.DirectionsService(); const map = new google.maps.Map(document.getElementById("map"), { zoom: 14, center: { lat: 37.77, lng: -122.447 }, }); directionsRenderer.setMap(map); calculateAndDisplayRoute(directionsService, directionsRenderer); document.getElementById("mode").addEventListener("change", () => { calculateAndDisplayRoute(directionsService, directionsRenderer); }); } function calculateAndDisplayRoute(directionsService, directionsRenderer) { const selectedMode = document.getElementById("mode").value; directionsService.route( { origin: { lat: 37.77, lng: -122.447 }, destination: { lat: 37.768, lng: -122.511 }, // Note that Javascript allows us to access the constant // using square brackets and a string value as its // "property." travelMode: google.maps.TravelMode[selectedMode], }, (response, status) => { if (status == "OK") { directionsRenderer.setDirections(response); } else { window.alert("Directions request failed due to " + status); } } ); }
/* Always set the map height explicitly to define the size of the div * element that contains the map. */ #map { height: 100%; } /* Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; } #floating-panel { position: absolute; top: 10px; left: 25%; z-index: 5; background-color: #fff; padding: 5px; border: 1px solid #999; text-align: center; font-family: "Roboto", "sans-serif"; line-height: 30px; padding-left: 10px; }
<!DOCTYPE html> <html> <head> <title>Travel Modes in Directions</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <!-- jsFiddle will insert css and js --> </head> <body> <div id="floating-panel"> <b>Mode of Travel: </b> <select id="mode"> <option value="DRIVING">Driving</option> <option value="WALKING">Walking</option> <option value="BICYCLING">Bicycling</option> <option value="TRANSIT">Transit</option> </select> </div> <div id="map"></div> <!-- Async script executes immediately and must be after any DOM elements used in callback. --> <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBIwzALxUPNbatRBj3Xi1Uhp0fFzwWNBkE&callback=initMap&libraries=&v=weekly" async ></script> </body> </html>

Create a starter application from sample

A skeleton starter application using TypeScript, Webpack, and Babel can be generated from this sample using one of the methods below.

Run Locally

Node.js is required to run this sample locally. Follow these instructions to install Node.js and NPM. 

npx @googlemaps/js-samples init directions-travel-modes DESTINATION_FOLDER

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