While it may not be the case in every state, some states use an orange diamond on top of speed limit signs. Have you noticed it? Here's what they are for.

View of 45 MPH (radar enforced) speed limit sign on palm tree-lined street with cars passing by. - Sanfel/Getty Images As you make your way down the street or highway, you are likely — and hopefully ...

Drivers in the U.S. are very familiar with typical speed limits, from 25 mph in neighborhoods to 65 mph and above for interstates. While there are different sign types, including maximum and minimum ...

Drivers in the U.S. are accustomed to seeing Department of Transportation (DOT) signs posted with colors specific to the sign type. Stop signs are red, warning signs are yellow, and highway distance ...

Google Maps can help drivers spot speed limits, but missing or inaccurate speed data is still possible depending on where and ...

Speed limit signs are often interpreted as mere suggestions by many drivers on U.S. roads, and more alarmingly, some folks don't even care what the posted speed limit is. Some speed limit signs ...