Why does stopping at a red light become automatic? New neuroscience shows how the cerebellum turns visual cues into fast, ...

Where would we be without stop signs? These red, octagonal signs are a huge part of what organizes traffic across America, and they're a pretty universal signal to drivers that they should stop. Even ...

Red means stop, green means go, blue means ... private property? Since the 1950s in the United States, red signposts have been the government-issued signal for traffic to stop. There were several ...

Here's What It Means When a Red Flag Is Up on a Mailbox Here's What It Means if You See a License Plate with a Gold Star Here's What It Means When You See a Pink Taxi If You See Pink Waves, This Is ...

Road signage is everywhere, informing us of speed limits, school zones, and pedestrian crossings, to name a few. These highly visible notices along roadways help organize what would otherwise be utter ...

A stop sign in Seattle with white and red striping on the pole. (Photos: Mike Dowd) This post was written by reader Mike Dowd. When I grew up in Seattle, stop signs had wood posts with red-and-white, ...

We’re all familiar with the classic red stop sign — from elementary school lessons on shapes and colors to the guidance of crossing guards and, eventually, driving on our own. But while it’s rare, you ...