Tuesday, February 16, 2010

Diverging Diamond: Tire Marks On Curbs

These are photos of the nation's first diverging diamond interchange, located in Springfield, MO.
click on photos with your mouse to enlarge them.(north side of bridge, heading south)

The intersection is a major improvement over the more standard intersection.(south side of bridge, heading north, entering the diamond)

I think the diverges are too abrupt. Look at the tire marks on the curb. Semi-trucks, especially with 53' trailers, have to swing in both lanes to avoid hitting the curb, which can't be done if there is a lot of traffic in both lanes.(north side of bridge, heading south, blue pickup is parked on east shoulder, heading north)

In one of the photos, you can see where trailer wheels have gouged into the concrete.(northbound lane on diamond, crossing the overpass)

This is a good idea, this diverging diamond is, but it takes some getting used to, like a traffic circle does. (north bound curb, exiting diamond)

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