Roads & bridges

Find details regarding HOV lanes, toll roads, updates for mountain passes and what you need to know in advance for travel around the state.

Check current weather reports, view driving conditions and find tips for preparing for travel through our mountain passes. 

Learn about express toll lanes, bridges and tunnels in Washington state, and how to save money on every toll with a Good To Go! account.

Find out how to safely and efficiently cross the U.S.-Canada border.

Find Hood Canal Bridge status updates, information about opening the bridge, types of weather that typically close the bridge and other commonly asked questions.

See a list of our rest areas and their amenities across the state. 

Historic opening and closing dates for Chinook, Cayuse and North Cascades passes

Find information on the location, capacity, and transit agency contact information for park and rides across the state.

View interactive maps of all the mileposts and Interstate exits on the Washington state highway system, or download and print PDF maps of the Washington state highway system.

Find location, vessel clearance and how to request an opening for the movable bridges around the state.

Learn about who can use Washington’s high occupancy vehicle (HOV) lanes, high occupancy toll (HOT) and express toll lanes, where they’re located, and the policies dedicated to ensuring HOV lanes maximize the movement of people rather than vehicles.

Find schedule information and view a map of the I-5 Express Lanes.

Sometimes a shoulder isn't just a shoulder, it's a travel lane.  Learn about part-time shoulders and when and how to use them.

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.