ProMods

There is a lot of traffic circles as is to tight in ProMods map

http://s1331.photobucket.com/user/oldma ... sort=3&o=1

http://s1331.photobucket.com/user/oldma ... sort=3&o=2

I never had severe problems with roundabouts. Roundabouts have a traffic calming function. If you got the problems you're pointing out, you're obviously driving too fast.

The single lane roundabouts are an extra challenge, there are plenty of these in real cities too

For example in Finland those single lane roundabouts are common, those dual lane roundabouts are actually very rare in here.
In game u have trucks like this,
http://www.kommunikationpr.at/uploads/i ... 1-orig.jpg
but in Finland truckers drive trucks like this
http://hasse77.1g.fi/kuvat/Maantieliike ... /_full.jpg
those trucks used in Finland are way longer, and its rare to see trucks to go over those middles of roundabouts..

If you drive at the very edge of the pavement, your trailer's wheels will not hit the inside curb. You really need to go slow too!

And if u have some trailermods, that makes trailers longer, then they will go on those middles of roundabouts, but with stock legnth of trailers, its not a problem to drive on them!

next time i could say mine is oversized i show you

driving very slow and as n4gix sayd use the place you have and veryyyy slow driving
greets from austria

Like Zees said, in Sweden and Finland 24 meters and 25,25 meters combinations are more common than these Dragster+Semi-trailer (18-19m). Single roundabouts are very common here and Dual can be find in bigger cities etc Växjö-Göteborg- Stockholm.