Transportation — entry 063 of 69
Transport for United States
The NextBus real-time XML feed is still live at retro.umoiq.com, unauthenticated, and still serves predictions for a long tail of US and Canadian transit agencies, even though the NextBus brand itself was retired: Cubic Transportation Systems bought NextBus in 2013 and has since rebranded the whole platform as Umo IQ. The original PDF protocol reference still resolves and matches the feed's current command structure, though many larger agencies have migrated to GTFS-RT-based vendors over the years, shrinking its footprint.
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Developer reference
2MB of response data per 20 seconds per IP address, per the NextBus XML Feed PDF's "Limits on Amount of Data" section