Keybinds:
Press F7 to open Tram Spawning menu.
Press E to leave / enter tram.
Press C to change camera mode.

Press F1 to open Script Hook console.

How to drive the tram:

It is mandatory to stop at Tram Stops and Red traffic lights. Otherwise if you keep driving, the tram will derail, because the real position of the tram will still be at the tram stop or traffic light.
- Tram bell, opening doors and closing doors is automatic.

You should drive carefully at corners. If you are too fast then you may derail from Tram tracks.

You can leave the tram by pressing E. You can enter the tram again by pressing E.
You can switch camera by pressing C. There are 2 modes - inner camera and outer camera.

How to spawn a new tram on another line:

If you already spawned a tram, then you need to delete it first by opening menu and selecting "Delete Current Tram / reload". You need to be outside the tram, press E to leave it.
Then you can spawn a new tram on another Tram Line.