Here I will post web links related to public transportation
Rail Net forum
General Transit Feed Specification
GTFS is an initiative about storing and sharing public transportation information from the horses mouth (the transportation companies themselves).
A design blog
Many features initially unrelated to public transportation come from the world of design. A good blog.
An online encyclopedia about public transportation
Bus World Europe / UITP
European fair for public transportation buses.
Canadian Public Transit Discussion Board
ITS World Congress 2017
European Journal of Geography