Midcity Tunnel Entrance
It works well as it is for low traffic, although I suggest you remove the traffic lights.
I think it works best if you use Traffic Manager or some mod that let’s you choose which lines the cars use, although I don’t like these mods myself.
Download
Cities: Skylines - Mass Transit
Required DLC:
These DLC should be installed in order to use this item.
Cities: Skylines - Mass Transit
