US Road Signs: Traffic Sign Encyclopedia
Take a deep dive into US road signs and learn what each MUTCD traffic sign means.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_1309573360-300x200.jpg)
Guide
A guide sign provides mileage and directional information for drivers. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_105142088-300x199.jpg)
Interstate
Interstate signs are posted at major intersections to denote the route number and direction. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_470983643-300x200.jpg)
No U Turn
A no U-turn sign is posted in areas where it’s illegal to make a 180 degree turn. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_1062285041-300x200.jpg)
Two Way Traffic
Two way traffic signs mean the driver is on a road with traffic going in both directions. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_1657805200-300x225.jpg)
Side Road
The side road sign is a warning sign that indicates there is a side road that enters the highway ahead. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_118780804-300x200.jpg)
Merge
The merge sign indicates that two separate roads and merging into one. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/07/winding-road-sign-232x300.jpg)
Winding Road
Winding road signs warn drivers of a curved road ahead. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/09/shutterstock_453843163-300x191.jpg)
Deer Crossing
Deer crossing signs warn drivers of areas that are known to have deers frequently crossing the road. Learn more about the definition, location, and more.
![](https://driving-tests.org/wp-content/uploads/2020/07/school-crossing-sign-232x300.jpg)
School Crossing
School crossing signs warn drivers of children on the roadway. Learn more about the definition, location, and more.