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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.

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Learn more about work zone safety

Slow down – lives are on the line. 

In 2023, speeding continued to be a top reason for work zone crashes.

Even one life lost is too many.

Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.

It's in EVERYONE’S best interest.

95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.