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:

• Private Developments (from a single-family homes to a multi-faceted projects)
• SEPA proposals
• Local Agency projects
• driveways and other access connections
• Other right-of-way uses (landscaping, sub-subterranean monitoring devices, etc)

Refer to the guidelines listed below while planning your projects.

• Access Permit Guidelines
• Local Agencies
• Consulting Engineers
• Private Development
• Impacts to the state highway system by development as described in Engrossed 2nd substitute house bill (E2SHB) 1923 (Effective July 28, 2019)
• Development Services Manual
• See the WSDOT Electronic Forms page to locate other forms needed for your projects.

Legal information
Find types of transportation permits and processing time.

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

• State Highways as City Streets (pdf 2.3 mb)
• 2013 Amendment to State Highways as City Streets (pdf 3.14 kb)
• RCW 47.50 - Highway Access Management
• WAC 468-51 - Highway Access Management Access Permits - Administrative Process
• WAC 468-52 - Highway Access Management - Access Control Classification System and Standards

For Managed Access classes, see the Highway Access Control and Hearings training page.

Limited Access Highways

• RCW 47.52 - Limited Access Facilities
• WAC 468-54 - Limited Access Hearings
• WAC 468-58 - Limited Access Highways

Permits and Bond Applications are listed below.  Each form is available in an electronic format.

• Application for General Permit - WSDOT Form 224-698
• Application for Roadside Vegetation Permit - WSDOT Form 220-019
• Application for Access Connection Permit - WSDOT Form 224-694
• Access Connection Permit - Existing - WSDOT Form 224-006
• Individual Payment Bond for Agreement - WSDOT Form 224-046
• Individual Bond for Agreement - WSDOT Form 224-049