Development Services Manual

Publication Number
M 3007
Publication Date
Manual Manager
Chris Schroedel
Policy Development and Regional Coordination, Strategic Planning and Programming Division
Statewide review processes and application of mitigation policies.

The Development Services Manual has been superseded by Chapter 1130 (PDF 622KB) of the Design Manual M 22-01.

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.