Double Roundabout
A raised reverse roundabout above a forward roundabout. The lanes entering are one-way. Using a reverse roundabout in parallel means that even the third exit can be reached quickly by, say, your police.
See the tunnelled versions here:
MK1 (curved corners): http://steamcommunity.com/sharedfiles/filedetails/?id=667100424
MK2 (direct corners): http://steamcommunity.com/sharedfiles/filedetails/?id=667103370
