url,trip_updates,alerts,vehicle_positions
https://www.zditm.szczecin.pl/storage/gtfs/gtfs-rt-trips.pb,1,0,0
https://www.zditm.szczecin.pl/storage/gtfs/gtfs-rt-alerts.pb,0,1,0
https://www.zditm.szczecin.pl/storage/gtfs/gtfs-rt-vehicles.pb,0,0,1
