STM makes bus data openly available
The STM has made its GTFS files open – get them here. Description of the GTFS specification.
Note that this data is about the static network scheduling. STM buses are not yet equipped with GPS systems for live updating, but that’s said to be coming in 2014.

Faiz 20:40 on 2012/04/18 Permalink
If the Toronto tram data is any indication, lots of very intersting projects may emerge from
the live GPS data broadcasts. I can’t wait!
Data and the Freedom of Information Act | Citizen-Statistician 21:16 on 2012/10/08 Permalink
[...] has made GPS data of it transportation data freely [...]