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.

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.