Traffic safety methods

Find details about the methods we use to keep travelers safe, including roundabouts, road equipment and striping, and workzone safety information.

Collector/distributor ramps

Learn about collector/distributors and how they improve traffic flow on freeways.

Learn about diverging diamond interchanges, a proven way to move more people and reduce the potential for collisions.

Learn about roundabouts, including how to travel through them as a pedestrian, cyclist or driver.

Learn about how we use rumble strips to keep vehicles on the roadway and reduce the frequency of collisions.

Basic information about annual roadway re-striping work, and how you can help.

Find important information about traveling in and around roadway work zones, including information on traffic control training and certifications.

It's easier to skid or lose control traveling at higher speeds. Give yourself more time to stop.

Winter conditions could mean chains are required on your route. Practice putting them on your vehicle ahead of time.

Carry extra supplies like warm clothing, ice scraper and brush, jumper cables and other emergency items.