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Maps & Data
Most Requested
Official State Highway Map
StateRoute Web (SRWeb)
GIS Data Distribution Catalog
Aerial Photography
Employment
State Highway Log
WSDOT Resources
Agency Publications
Washington Transportation Plan and Annual Report
Engineering Publications
Technical manuals and publications.
Forms Management
WSDOT electronic forms, permits and applications.
Research Reports Index
Searchable collection of research reports.
Transportation Acronym Guide
An index of transportation related abbreviations used at WSDOT.
Transportation Library
Publications available through the WSDOT Library, part of the WSDOT Research Office.
About WSDOT
Transportation Commission
Agency Organization
Maps & Data
Maps & Geospatial Data
Aerial Photography
WSDOT Aerial Photography products & services.
Digital Maps and Data
PDF, GIS, and CAD formats available.
GeoData Distribution Catalog
Geospatial data for maps and spatial analysis.
Geographic Services
Aerial maps, photogrammetry, geodetic survey info.
Highways of Statewide Significance
Interstates and other principal arterials that are needed to connect major communities in the state.
Interstate Exit Maps
Exit maps for Washington state routes.
Milepost Map Statewide (pdf)
or
Puget Sound (pdf)
Locate mileposts along the state highway system.
Scenic Byways Map
Check out the official State Byways Map.
State Highway Map
(no longer in paper format)
View the map or download a copy.
Collision Data
Annual Collision Data Summary
The summaries contain trend analysis information that shows the collision status across various time intervals.
Collision Data Request Form
Request collision data such as collision location, date and time, severity of collision, etc.
Copy of Collision Report Request Form
Request a copy of an officer or citizen collision report.
More...
Travel Data
Annual/Quarterly Speed Report
Washington state highway speed data.
Annual Mileage and Travel Information
This mileage and travel information is based on data collected annually for The Highway Performance Monitoring System (HPMS).
Annual Traffic Report
Information on annual average traffic volumes.
Functional Classification
Information, documents and functional classification maps.
Peak Hour Report
List of the highest traffic volume hours.
More...
Applications & Tools
GeoPortal Map Application
View WSDOT spatial data including functional class, interchange drawings, city limits, state routes.
Interchange Viewer
View and print drawings of state highway interchange areas.
State Route Web (SRweb)
Dynamic "driver's seat" views of the state highway system, selectable by milepost.
Survey Monuments
Inventory tool for locating geodetic control monuments.
Traffic Volume Map
Application displaying Annual Average Daily Traffic (AADT) volumes.
Roadway Data
Posted Road List
Bridges where over-legal axle loads are not allowed.
Restricted Bridge List
Bridges where permits are required for over-legal loads.
Roadway Data - Reports
Roadside Features Inventory Program (RFIP)
State Highway Log
Roadway data and mileage statistics for Wa. State highways.
State Route Digital Imagery/Duplication Services
Information for obtaining copies of state route digital imagery from our video log.
