In the thrilling world of NASCAR, the sight of powerful cars relentlessly circling the track in a series of left-hand turns is both iconic and puzzling to the uninitiated. While the simplicity of the ...

The unique “left turn” design is a true Michigan thing that every Michigander knows about. But how did it become our thing? And is it anymore effective than a normal protected left turn? Let’s start ...

More than 60% of traffic collisions at intersections involve left turns. Some U.S. cities – including San Francisco, Salt Lake City and Birmingham, Alabama – are restricting left turns. Vikash Gayah, ...