There’s also one just south of Asheville, off Interstate 26. Duncan Town Administrator Cameron Fant said navigating the Asheville diverging diamond helped him prepare for the new section of 290.

A busy Upstate bridge has temporarily closed as work for the new "diverging diamond interchange" nears completion.The SC-290 bridge in Duncan, South Carolina, closes on Friday, May 16, at 7 p.m ...

Construction on South Carolina's third "diverging diamond" interchange at Interstate 85 and SC Highway 290 is expected to be complete before summer.