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.
Connect with us
Help shape the future of transportation on WSDOT Engage! Explore our projects open for feedback and share your thoughts, concerns and questions.
Funding
Dive into WSDOT-related budget and financial information, including facts on transportation budgets, financial planning, forecasting, 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 comfortable, convenient access for all types of transportation options - walking, biking, driving and riding transit.
1,557 work zone-related crashes
were recorded on state highways in 2025.
542 people were injured
in 2025 due to work zone-related crashes.
29% increase in fatality collisions
in work zones from 2024 to 2025.