# GTFS Realtime (RT)
Overview of shared data available in the GTFS RT format.

|Organization |TripUpdate |VehiclePosition |Alert |Details
|:--- |:--- |:--- |:--- |:---
|[VBN](https://www.vbn.de/) |yes |no |no |At the time of writing (10. Mai 2021) the VBN provides about 2600 `TripUpdate` but neither `VehiclePosition` or `Alert` entities.
|[VRN](https://www.vrn.de/) |yes |no |no |At the time of writing (10. Mai 2021) the VRN provides about 800 `TripUpdate` but neither `VehiclePosition` or `Alert` entities.