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.
166,800 electric vehicle
registrations in Washington in 2023, up from 114,600 in 2022.
87 wetland compensation sites
actively monitored on 918 acres in 2023.
25,000 safe animal crossings
in the Snoqualmie Pass East Project area since 2014.