Add Nextbus

[fpurcell]

Info

• http://www.nextbus.com/xmlFeedDocs/NextBusXMLFeed.pdf
• https://nextbus.cubic.com/Portals/nextbus/Addendum%20to%20GTFS_RT.pdf
• https://www.nextbus.com/googleMap/?a=portland-sc&r=195&r=194&r=193

NextBus XML to gtfs-rt:

• https://www.transsee.ca/routelist?a=portland-sc
• https://github.com/Intersection/gtfs-realtime-translators
• https://github.com/CUTR-at-USF/retro-gtfs/blob/GTFS-Realtime/GetGTFSRT.py
• https://github.com/SAUSy-Lab/retro-gtfs
• https://medium.com/@arash.kaviani.a/gtfs-realtime-data-collection-storage-and-processing-with-aws-services-2e7e9b0ae9f0

NextBus agency list:
http://webservices.nextbus.com/service/publicXMLFeed?command=agencyList

API Limits:

• Maximum number of predictions per stop for prediction commands: 5
• Maximum timespan for "vehicleLocations" command: 5min (what does this mean?)
• All polling commands such as for obtaining vehicle locations should only be run at the most once every 10 seconds.

Map:

• https://www.nextbus.com/googleMap/?a=portland-sc&r=195&r=194&r=193

Routes:

• http://webservices.nextbus.com/service/publicXMLFeed?command=routeList&a=portland-sc

Arrivals:

• http://webservices.nextbus.com/service/publicXMLFeed?command=predictionsForMultiStops&a=portland-sc&stops=N|6997&stops=N|3909

Vehicles:

• http://webservices.nextbus.com/service/publicXMLFeed?command=vehicleLocations&a=portland-sc&t=1
• http://webservices.nextbus.com/service/publicXMLFeed?command=vehicleLocations&a=portland-sc&t=1&r=195&r=194&r=193
• https://www.nextbus.com/service/googleMapXMLFeed?command=vehicleLocations&a=portland-sc&r=194&t=1565939135587&key=1170062718356&cnt=28