I highly recommend checking out this guide since you're new to modding. It covers all the basics that are really handy to know. :)
Mac OS X
~/.config/unity3d/Colossal Order/Cities: Skylines/Player.log
Originally posted by Angelo Luijkx: Hello, I want to make an UK style city and wanted to make a central train station like St. Pancras/Kings Cross station. Does anybody know some good workshop item for this?
You're welcome! :)