More than 60% of traffic collisions at intersections involve left turns. Some U.S. cities – including San Francisco, Salt ...

A more commonly known sign, “Thru traffic merge left” is detailed in the official Caltrans manual as needed when a lane is being dropped at the next exit. Related Articles.

In Haymarket, Virginia, as you enter the interchange, the right and left sides of the road cross over each other at a stop light. You are, in fact, driving on the left side of the road at this point.

It’s 7:52 a.m. You’re late for work, again. You speed through traffic. The red lights are taking too long to change. You finally make it onto the freeway and go to cruise ahead of your fellow ...

Left turns are necessary, but they are also one of the most dangerous routine things that drivers do. The latest innovation from a local smart traffic technology firm is looking to make these ...

Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also ...

From there, left turns become a lot easier, because there's no oncoming traffic in the way. Instead of waiting for a signal, you get a free left turn. Whitney Shefte for NPR hide caption ...