Here’s a way to save lives, curb traffic jams and make commutes faster and easier − ban left turns at intersections
- Written by Vikash V. Gayah, Associate Professor of Civil Engineering, Penn State

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 Gayah, a professor...