GTFS Ids in vehicle positions messages can be found in OTP
GTFS Ids in vehicle positions messages are not found in OTP
1. Listen to /gtfsrt/vp/OULU/# topic from waltti mqtt
2. Query for the tripIds (with OULU: prefix) from OTP
This causes vehicle popup links to just open the route page instead of "trip page". Also, this makes it more difficult to have vehicles shown on route suggestion page in the future.