Highway Advertising Control

Publication Number
M 22-95
Publication Version
M 22-95.05
Publication Date
Manual Manager
Vicky Thorniley
Traffic Operations, Engineering and Regional Operations Division
Controlling signage along state highways.

This manual provides guidance for the controlling of signs in areas adjacent to state highways protecting the public investment in the interstate system and other state highways.

8,683 animals crossed the Snoqualmie Pass East Project area

as recorded by WSDOT and partners in 2020 and 2021.

46% increase in Amtrak Cascades ridership to 251,000 passengers

in 2021 compared to 172,000 in 2020.

Nine wetland and stream mitigation sites across 32.7 acres added

to our monitoring program in 2021 to help offset climate change impacts.