3Roundabouts
Place roundabouts, join roads to them and put every exit exactly where you want it.
STOP 1
Placing a roundabout
A plain ring, or a pre-made roundabout with its exits already on.
STOP 2
Joining a road to a roundabout
Draw onto the ring, and the roundabout is rebuilt with your new entry.
STOP 3
The roundabout editor
Add as many exits as you like, at exact positions, lined up with your roads.