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Full Diamond Interchange

A full diamond interchange, now tunneled thanks to the latest patch.

As an interchange design, this is one of the cheapest and most compact. It also has very good capacity. Traffic can turn directly left or right, or proceed straight by flyover ramps. All turns are at 45 degree angles, it has left and right side entrances/exits, no weaving, and uses only two height levels. The highway with the more central internal ramps (east/west in the picture) has slightly higher capacity, because the ramps are offset from the exits.

Because it's so compact, I use this same design for busy street intersections, instead of a roundabout, which is also on the workshop.
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=448883970&searchtext=full+diamond

Also, please check out my smoke grinder service interchange for elevated highways-
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=444821378