Why European Traffic Lights Show Red And Yellow At The Same Time

In the U.S., a yellow light comes up only in between the transition from green to red. That's not the case in several parts ...

Here’s what it means if you see a blue stop sign

Heck, even a toddler can tell you that stop signs are red. That’s because since the 1950s, red has been the required background color for all government-regulated stop signs in the United States. But ...

Why are highway signs green? A highway expert breaks it down

Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has ...
IEEE

Traffic Sign Localization and Orientation Classification for Automated Map Updating

Abstract: High Definition (HD) maps, containing detailed road information, are essential for autonomous driving and many geo-related tasks. Recent developments in computer vision make it possible to ...