1. Signs, signals,& Road Markings http://www.sciencedaily.com/videos/2005/1202-new_road_signs.htm

2. REGULATORY ·To control or regulate the movement of traffic. ·They tell you and other drivers what you can do and not do. Action- Set limit or command

3. REGULATORY

4. Warning Alert you to the changes in condition or use of the road Tells you about: ·Road construction ·zones ·crossing ·curves ·intersections Action: Increase your level of alertness

5. Warning

7. GUIDE Give you information about roadways and routes, mileage, road side services, and sites. Types ·Route Markers ·Destination and Mileage ·Recreation and Services

8. Route Markers Numbered roadways that crisscross the country.

9. Destination and Mileage Tell you where you are, which lane you are in and which exit to take.

10. Recreation and Services Guide you to state & national parks, roadside services, and campsites.

11. http://www.quia.com/de/pasign.html http://www.sciencedaily.com/videos/2005/1202-new_road_signs.htm