Hi
Again congrats on this game, which have just taken up half of my day.
A few suggestions and wishes:
Auto replace trains/busses/trams
Expand stations
Add train cars at station without having to go to depots
Integrate depots at stations (like railroad tycoon)
“Auto yield” for trains like in railroad tycoon
Faster vehicles can overtake slower vehicles
Auto adjust spacing on lines for busses/trams
Send vehicle to depot and sell on arrival for individual units
Adjust order of stations/stops on lines without removing/adding