I-90 and SR 18 improvements project is focus of Snoqualmie open house

Test drive the diverging diamond interchange simulator Nov. 16

SNOQUALMIE – Test drive the diverging diamond interchange before it’s even built at an open house for the Interstate 90 and State Route 18 improvements and widening project on Wednesday, Nov. 16. People attending the event at the Snoqualmie Elementary School gym will be able to learn more about project benefits, what to expect during construction; view displays and talk with project managers.

To keep traffic flowing and improve safety for freight and travelers, the Washington State Department of Transportation is building a diverging diamond interchange – the second in the state – and widening SR 18 between the interchange and Deep Creek.

I-90/SR 18 interchange open house information

When:             4 to 6 p.m. Wednesday, Nov. 16, 2022

Where:           The Snoqualmie Elementary School gym, 39801 SE Park St., Snoqualmie

Details:           Learn about the I-90 and SR 18 improvements and widening project.

This is a casual open house, people can drop in anytime from 4 to 6 p.m. 

WSDOT has contracted with design-builder Aecon on this $188 million project. Work is underway and is scheduled to be complete in early 2025.

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.