Construction & planning
Learn about current transportation network improvement and preservation activities throughout the state.
Find detailed reviews about specific areas of Washington’s transportation system in our collection of planning studies.
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.
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.
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.
Learn how we are creating a system that enables safe, convenient access for all types of transportation options - walking, biking, driving and riding transit.
Slow down – lives are on the line.
In 2022, speeding continued to be a top reason for work zone crashes.
Even one life lost is too many.
Each year about 670 people are killed nationally in highway work zones. In 2022, Washington had six 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.