Not so compact Y
This is a fast 3-way interchange of major 4-lane highways. The ramps are two-lane. Mass Transit is required for this junction to work.
There is also a more compact version of this that doesn’t require Mass Transit: http://steamcommunity.com/sharedfiles/filedetails/?id=948803969
Hope you like!
Download
Cities: Skylines - Mass Transit
Required DLC:
These DLC should be installed in order to use this item.
Cities: Skylines - Mass Transit