Interagency 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.

Slow down – lives are on the line.

Excessive speed was a top cause of work zone collisions in 2024.

Phone down, eyes up.

Work zones need our undivided attention.

It's in EVERYONE’S best interest.

96% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.