Interagency, railroad & utility agreements
Find our frequently updated list of Interlocal Agreements, both in-development and in-effect, in compliance with RCW 39.34.040.
The Utilities, Railroads and Agreements office manages an agreement database and reports on interlocal agreements for specific work groups within WSDOT.
Active Interlocal Agreements (PDF 187KB)
If you would like a copy of a listed agreement, please contact the HQ Agreements and Policy Specialist.
Additional Interlocal Agreements executed by WSDOT under the authority of chapter 39.34 RCW are administered by Administrative and information technology contracts.
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.