When
#driving on the wrong side of the road is the right way to speed up
#trafficIn 2009, Missouri became the first state to install a
#divergingdiamond interchange (DDI) at a congested intersection in Springfield. This new design quickly reduced traffic congestion and significantly improved safety, with crashes decreasing by 40-50%.
However, drivers have mixed feelings about the design.
https://www.npr.org/2024/05/28/1243933142/diverging-diamond-interchange-chlewicki