What causes traffic jams, and are there answers? Sept. 11, 2011 — -- Everyday life enters a different phase after Labor Day, the unofficial start of autumn in the United States. As students and ...
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.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback