Work Zone Traffic Control Guidelines for Maintenance Operations

Publication Number
M 54-44
Publication Version
M 54-44.09
Publication Date
Manual Manager
Steve Haapala (360-705-7241)
Traffic Operations Division
Traffic control devices in work zones.

The traffic control plans contained in this booklet are furnished as a guide to be used along with good judgment. Minor modifications may be made, as necessary, to accommodate site conditions; however, a plan's original intent must be maintained. An alternate plan should be considered if substantial revisions are needed.

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.