View roadway, traffic and crash data as well as GIS maps and data layers for state routes and public roads.
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.
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.
You can get instant access to state transportation data, maps and interactive map applications.
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.
registrations in Washington in 2023, up from 114,600 in 2022.
actively monitored on 918 acres in 2023.
in the Snoqualmie Pass East Project area since 2014.
