Preserving our roads & bridges
Learn how we maintain our state's highway system to keep people safe and goods moving 24-hours-a-day, 365-days-a-year.
We oversee the day-to-day needs of maintaining our state's highway system, including:
- 20,679 highway lane miles (includes ramps, collectors and special use lanes).
- More than 3,000 bridges.
- 1,100 traffic signal systems.
- 10 major mountain passes kept open all year.
- Close to 50 safety rest areas.
Zero emission electric vehicle registrations in Washington
increased 192% between 2017 and 2021.
45 projects to improve freight rail structures and freight movement
were underway as of December 31, 2021.
Washington state leveraged $100,000 to secure $27 million
in funding for airport investments in Fiscal Year 2022.