I recently had a go on this game but found out it's quite hard to play with the rails. The first thing i immediately noticed is that i cannot do double tracking on the North-South-East-West Orientation if i want to make a turn. The tracks would crossover each other, and often the second track would merge with the first, and those two are very frustrating. Second, I don't know how to launch a train out of the depot. I did it several times and i had a very hard time launching them as the dialogue box something similar to "No path/No track found" or something like that. Can you guys help me?
Its silly but you have to build the second rail a bit further out then the first one when doing angled/curves. Also I noticed that holding control while dragging rail keeps it from trying to combine with an adjacent rail line.
AS for the vehicles, all vehicles require orders from a line. If you look in the depot window, you'll see theres a (drop) box for "Line" and you can assign orders to that line and assign a vehicle to that line.
its usually best to Build one vehicle, set up a line for it (and maybe name the line something that makes it easy to manage like "Oil Train Line 1), and then clone that vehicle so that all subsequent vehicles are on the same line and its easier then going through all the vehicles and assigning them individually.