Traffic safety methods

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

Our commitment to safety also helps decrease congestion as roadway incidents are one of the leading causes of congestion on the roadway.

We need the public's help to keep the roadways safe. In the spring, we kick off our annual Give 'em a Brake campaign to remind drivers of driving in construction zones.

Diverging diamond interchange

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

Roundabouts

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

Rumble Strips

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

Striping

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

Work zone safety

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

Performance highlights from the Gray Notebook

Traffic fatality crashes on Washington public roadways

increased 56% in March 2021 compared to March 2020.

11,906 incidents responded to

by WSDOT’s incident Response teams during the third quarter of 2021, nearly 6% more than same quarter in 2020.

WSF ridership was nearly 5.7 million in the first quarter of fiscal year 2022,

which was 1.6 million (38.3%) higher than the corresponding quarter in FY2021