In addition to GTFS, in Europe we have Transmodle [0], with the UK implementation being TransXChange [1], for scheduled public transit timetables and SIRI for real-time [2].
The TransXChange schema guide is a 300+ page PDF [3], so there is a big barrier to entry.
The TransXChange schema guide is a 300+ page PDF [3], so there is a big barrier to entry.
[0] http://en.wikipedia.org/wiki/Transmodel [1] http://en.wikipedia.org/wiki/TransXChange [2] http://en.wikipedia.org/wiki/Service_Interface_for_Real_Time... [3] http://81.17.70.199/transxchange/schema/2.5/doc/TransXChange...