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, ...

Vikash V. Gayah's research has been funded by various State Departments of Transportation (including Pennsylvania, Wisconsin, Washington State, Montana, South Dakota and North Carolina), US Department ...

WAYNE COUNTY, Mich. – A busy intersection at the border of Riverview and Trenton is raising safety concerns as impatient drivers make risky maneuvers to avoid waiting for left turns. The intersection ...