I-5 ramp closures in Seattle for maintenance work Saturday night, April 18

Washington State Department of Transportation

Late night drivers should be prepared for several ramp closures on Interstate 5 in Seattle Saturday night, April 18, through Sunday morning, April 19. Washington State Department of Transportation maintenance crews will be replacing signs and making lighting system repairs.

Closure details

  • The 9th Avenue and Pike Street on-ramp to the northbound I-5 express lanes will close at 9 p.m. Saturday. The express lanes close at 11 p.m. The ramp will be back open to traffic when the express lanes reopen at 8 a.m. Sunday.
  • The northbound I-5 off-ramp to Mercer Street and the Mercer Street on-ramp to southbound I-5 will both be closed from 10 p.m. Saturday to 7 a.m. Sunday.
  • The University Street on-ramp to northbound I-5 will be closed from 10 p.m. Saturday to 7 a.m. Sunday.

In the Seattle area, drivers can get real-time traffic information on their phone with the WSDOT traffic app, tracking the WSDOT traffic Twitter feed, and get advanced information from the What’s Happening Now page.