Lane reductions, ramp closures on northbound I-5 in downtown Seattle continue the week of Sept. 16
Northbound Interstate 5 in downtown Seattle will experience nightly lane reductions and ramp closures starting September 16, 2024, due to construction work by the Washington State Department of Transportation. The closures aim to facilitate the installation of a new electronic sign for traffic management. Travelers should plan accordingly and check for real-time updates.