SR 18 On-Ramps to Westbound I-90 Will Close Overnight Wednesday, Dec. 18, Near Snoqualmie
Overnight closures of the State Route 18 on-ramps to westbound I-90 near Snoqualmie are scheduled from 9 p. m. on December 18, 2024, to 5 a. m. the next morning for drainage installation and ramp repairs.
If necessary, closures will continue overnight on December 19. Detour signage will direct drivers to use eastbound I-90, looping back to westbound lanes at Southeast North Bend Way. This work is part of a larger project aimed at upgrading the I-90/SR 18 interchange, which includes new bridges and widening SR 18 to improve traffic flow and safety for local commuters. Real-time travel updates will be available through the WSDOT mobile app and website.