Planning study guidance
Find the guidance and tools to conduct and document a planning study.
Current guidance
Planning Studies Review and Approval Process Memorandum (PDF 285KB)
- It is highly recommended that all WSDOT planning studies follow the same signature review process detailed in the memo. The M2 Team provides subject matter expert review in a predictable and effective manner.
- However, Proviso funded studies often have their own rules and regulations as well as specific directions from the Legislature.
- There are also extra steps to this process if the planning study is a Planning and Environmental Linkages (PEL) study.
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.