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.
Learn how we maintain our state's highway system to keep people safe and goods moving 24-hours-a-day, 365-days-a-year.
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.
manufactured with at least 1/8 of an inch tread. Traction tires are usually marked with a mountain/snowflake symbol, the letters M+S or “All Season.”
Requiring chains keeps traffic moving during storms rather than closing a pass or roadway.
pack jumper cables, ice scraper, warm clothing, snacks and water.