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 use ...

If you're in a rush, you might feel tempted to ignore speed limits entirely. But there's a lot of thought that went into deciding those limits.

Drivers along Lake Tahoe’s west shore may notice something odd when glancing between theirwindshield and their dashboard. The ...

Idahoans are familiar with safe speed signs telling them to drive at a lower speed around mountainous curves. But now the Idaho Transportation Department is proposing 45 mph safe speed signs on Eagle ...

Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration. They are posted for “a small portion ...