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WSDOT Development Services provide services to developers, local agencies, property owners, and consulting engineers who are planning projects that may impact state highways.
Each of the six WSDOT regions has a Development Services Office. All access requests begin at the regional level. The types of projects reviewed are:
Refer to the guidelines listed below while planning your projects.
Listed below are laws and policies that govern managed and limited access to state highways.
Maps and Data
See our Maps and Data page for Milepost Markers, Geoportal, State Route Web, Survey Monuments, Crash Data, Travel Data, etc.
See the SnagMp page for more information by state route and milepost including highway classification.
Managed Access Highways
For Managed Access classes, see the Highway Access Control and Hearings training page.
Limited Access Highways
Permits and Bond Applications are listed below. Each form is available in an electronic format.