Interstate 5 express lanes in Seattle to close on Saturday, March 15, 2025 through late afternoon

The reversible express lanes of Interstate 5 in Seattle will be closed on Saturday, March 15, 2025, from 11 PM Friday until 4 PM Saturday. This closure allows city crews to safely access the right of way for maintenance work and enables Washington State Department of Transportation crews to repair safety barriers. While the express lanes are closed, the mainline I-5 will remain open to traffic in both directions, providing a critical route for commuters. The closure aligns with the city's commitment to maintaining safe and efficient transportation infrastructure. Crews will work diligently to minimize the duration of the closure and ensure that the express lanes return to normal operations promptly.

Commuters are advised to plan their travel routes in advance to mitigate potential delays. This proactive maintenance is vital for enhancing roadway safety and reducing future disruptions. As Seattle continues to grow, such maintenance efforts become increasingly essential for managing traffic flow and ensuring public safety.