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SR 99 tunneling machine arrives in Seattle

Tunneling Machine Arrives

World’s largest tunneling machine arrives by ship.

expansion joint at S. Columbian Way ramp to 6th Ave. S.

I-5 weekend closures

Northbound I-5 weekend closures: 8 p.m. Friday, April 5 - 5 a.m. Monday, April 8.

Drivers traveling on I-90 this summer need to know before they go to avoid construction-related delays

Project of the Week

Take the surprise out of your trip east of Snoqualmie Pass; know before you go.

North Cascades Highway

North Cascades Clearing

Spring cleaning under way on North Cascades Highway.

Local Information

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