Construction & planning
Search projects
Learn about current transportation network improvement and preservation activities throughout the state.
Search studies
Find detailed reviews about specific areas of Washington’s transportation system in our collection of planning studies.
Major projects
View current major projects, which are investments we make with local partners to address safety, congestion, mobility for all users and/or fish passage responsibilities.
Statewide plans
Our plans guide decisions, like how much to invest. Some plans focus on one mode of transportation, while others are multimodal, addressing the many ways people travel.
Funding
Dive into WSDOT-related budget and financial information, including facts on transportation budgets, financial planning, forecasting, economics and financial reports and presentations.
Preserving our roads & bridges
Learn how we maintain our state's highway system to keep people safe and goods moving 24-hours-a-day, 365-days-a-year.
Protecting the environment
We strive to protect the natural environment and your community. Explore what we and our partners do to ensure our transportation system has a minimal impact on both.
Complete Streets
Learn how we are creating a system that enables safe, convenient access for all types of transportation options - walking, biking, driving and riding transit.
8,683 animals crossed the Snoqualmie Pass East Project area
as recorded by WSDOT and partners in 2020 and 2021.
46% increase in Amtrak Cascades ridership to 251,000 passengers
in 2021 compared to 172,000 in 2020.
Nine wetland and stream mitigation sites across 32.7 acres added
to our monitoring program in 2021 to help offset climate change impacts.