Transportation data

View roadway, traffic and crash data as well as GIS maps and data layers for state routes and public roads. 

Crash data

Learn about crash-related data products and services such as how to request crash data and the crash data portal which displays summarized crash statistics.

Roadway data

Find information about the roadway data related products and services such as functional classification, highway performance monitoring system, national highway system, roadway images and state highway log.

Statewide GIS maps & data layers

You can get instant access to state transportation data, maps and interactive map applications.

Travel data

Learn about our traffic data collection program and the data and services we provide such as annual mileage and travel information, peak hour vehicle traffic report, traffic count services, traffic data request and summary statistics, and vehicle speed reports.

Performance highlights from the Gray Notebook

14 fish passage projects were completed in 2020

improving access to 54.2 miles of upstream habitat.

11,959 incidents responded to

by WSDOT’s incident Response teams during second quarter of 2021, 15% more than same quarter in 2020.

41 Pre-existing Funds Projects Advertised

during the eighth quarter of the 2019-2021 biennium.