Highway signs

Learn about signs on state highways, such as advertising signs and business logos, political signs, and memorial signs. You can also find out how to join or support our Adopt-a-Highway roadside clean-up program, and about our sign shop if you are from a government agency or department.

Adopt-a-Highway

The Adopt-a-Highway program is a roadside clean-up program that promotes pride and local ownership in Washington's highways. Sponsors can also have their logo posted at their sponsorship area.

Advertising & services signs on highways

Want to advertise on or along the state highway system, or get your business logo on one of our blue services signs? Here's what you need to know.

Get a roadside memorial sign

Learn how to have a memorial sign placed in honor of a loved one lost in a traffic incident, and raise awareness of the related traffic safety issue.

Political signs on highways

Learn about the rules and restrictions for placing campaign signs on or near state highway right-of-way.

Sign shop

Learn about the WSDOT Central Sign Shop, and how your government agency or department may be able to use their services.

Performance highlights from the Gray Notebook

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.