This is an extremely compact high volume service interchangAn extremely compact, high volume service interchange, no traffic lights, no cross traffic. This can move a lot of cims onto and off of a freeway smoothly while taking up very little room in your city. Highway access is between the two surface lanes, which avoids having to cross lanes to turn left, and to allows through traffic to be bypassed on the outside lanes. It will also bifurcate traffic entering the interchange, with cims heading onto the highway keeping to the inside lanes. The highway entrances and exits are 21 blocks apart, and are at grade and low angle. The highway overpass is set at 9m.