The real-time state of a trip
| value | description |
|---|---|
| SCHEDULED | The trip information comes from the GTFS feed, i.e. no real-time update has been applied. |
| UPDATED | The trip information has been updated, but the trip pattern stayed the same as the trip pattern of the scheduled trip. |
| CANCELED | The trip has been canceled by a real-time update. |
| ADDED | The trip has been added using a real-time update, i.e. the trip was not present in the GTFS feed. |
| MODIFIED | The trip information has been updated and resulted in a different trip pattern compared to the trip pattern of the scheduled trip. |