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.

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 ...

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, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Vikash V. Gayah, Penn State (THE CONVERSATION) More than 60% of traffic collisions at ...

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 ...

In America, many drivers take the ability to turn right at a red light for granted, but the fact is that this time-saving maneuver didn't become commonplace until the 1970s. Although turning right on ...

Many areas in downtown Boise and throughout the Treasure Valley are full of one-way streets, causing confusion about what rules apply or the differences from two-way streets. But what about turning ...

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 ...

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 ...