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.

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.

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.

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.

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

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

Slow down – lives are on the line. 

In 2023, speeding continued to be a top reason for work zone crashes.

Even one life lost is too many.

Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.

It's in EVERYONE’S best interest.

95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.