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Heavy Duty 4-Way Intersection

A Variation on the usual Stack Interchange designed for very high traffic volumes. Here, the straight-through roads go below and above the diagonal directions. Tunnels are usually more expensive to build than bridges/overpasses which is why the tunnel is the shorter of the two straight routes. Using the 6-lane highways from the NetworkExtensions 2 mod here to give the road it's high capacity and once the roads split, all directions use 2-Lane highways to keep the capacity high for all direction choices.

Note: Currently the Node Controller settings are not being saved with assets, so if you want the asset to look like it does in the screenshots, you'll need to use the Node Controller mod to widen the intersections curve radius to around a value of 25.

Note 2: A bunch of people how I achieved the high traffic flow in the video, I added a Note in the Youtube Video description that goes into the details: https://www.youtube.com/watch?v=JvLgJJbYMkY