For everyone interested about transport-related questions, this is the holy grail of Cities:Skylines previews. It's an outside look that completely concentrates on the game's transportation systems.
http://www.cimexchange.com/page/index.html/_/articles/exclusive-csl-inner-city-transport-r124
"...it's also very clear the makers had worked with transport before, because that aspect works incredibly well under its limitations. What impressed us the most is that a (good) transport network will actually greatly influence your city."