First New I-90/SR 18 Interchange Ramps to Open During Busy Week Near Snoqualmie

The Interstate 90/State Route 18 Interchange Improvements project is on the verge of significant advancements, highlighted by the opening of new diverging diamond interchange ramps near Snoqualmie, Washington. The first ramp, connecting SR 18/Snoqualmie Parkway to westbound I-90, will switch to the new configuration overnight on September 9, with the eastbound I-90 off-ramp to SR 18 following suit on September 12. These upgrades are designed to improve traffic flow and enhance safety for motorists navigating the busy interchange. Drivers are encouraged to remain distraction-free and pay attention to new striping and signs as they adapt to the changes. In addition to the ramp openings, contractors will be conducting nighttime work, including lane closures and flagging operations, to install overhead sign structures.

These adjustments are part of a broader initiative to modernize the interchange, with a full completion expected in early 2025. The project is crucial for the region, especially given the increased traffic demands in the Snoqualmie area. Local authorities are urging travelers to plan accordingly during the construction period to ensure safety and minimize delays.