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, ...

Research shows left turns at intersections are dangerous and slow traffic. Benjamin Rondel/The Image Bank via Getty Images Vikash Gayah: When you make a left turn, you have to cross oncoming traffic.

Q: I was taught when turning left at an intersection onto a street with two lanes in each direction, to turn into the left (and closest) of the two lanes. If I want to eventually be in the right-hand ...

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 ...

EVANSVILLE, Ind. (WFIE) - The new hybrid displaced left turn is now open at the intersection of Stockwell Road and the Lloyd Expressway. This is part of the ongoing Lloyd4U project. This intersection ...

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. Dr. Vikash ...