# Feed examples

The following examples show a textual representation of feeds. During development, it's more
convenient to produce ASCII protocol buffer output for easier debugging. You can compare your text
output with these examples to check the validity of your data.

- [Service Alert](https://developers.google.com/transit/gtfs-realtime/examples/alerts)
- [Trip Update (full dataset)](https://developers.google.com/transit/gtfs-realtime/examples/trip-updates-full)
- [Vehicle Position](https://developers.google.com/transit/gtfs-realtime/examples/vehicle-positions)