Capital City MK01P

Bottom view.

The Capital city can be docked to planets to add an active city.
You need to add a standard rail aligned with middle of a flat side, 40 blocks in, and 66 block in towards the center, with the rail facing to the right side.

Vehicles that you wish to enter the self randomizing driving circuit need to be more larger than 5 long, 4 tall and 4 wide with a centered docker.