The onebusaway-gtfs-realtime-api is composed of Java classes generated using the GTFS-realtime protocol buffer specification, which defines a standard for exchanging real-time public transit information in a machine-readable format. The library also contains extensions for OneBusAway and NYCT.
When looking for a place to live, the surrounding area matters. Knowing if the property has easy walking access to shops, places of interest or public transport can definitely sway a buyer's purchasing decisions. Walk Score is a service that measures walkability within specific locations and also provides neighbourhood maps to the real estate industry. Walk Score's Travel Time API makes this functionality available to be easily integrated with other applications.
Chicago commuters just got a new resource that may lead to more helpful mashups: the Chicago Transit Authority Bus Tracker API. As recently announced, the API provides capability for developers to get bus routes and schedules, bus stop and arrival predictions, and more. Note that the API is not affiliated with the Chicago Transit Authority (CTA); rather, it was developed and is maintained by Harper Reed, who says the CTA has been "amazingly cool with all of this." In announcing the API, Harper wrote: