Mercer Street ramps in Seattle to close overnight June 17 and 18 for scheduled maintenance

Mercer Street ramps. (Photo courtesy Washington State Department of Transportation)

The Mercer Street ramps on Interstate 5 in Seattle will have nighttime closures Monday, June 17 and Tuesday, June 18 for scheduled tunnel maintenance.

Closure details:

– 10 p.m. Monday, June 17 to 5 a.m. Tuesday, June 18, the northbound I-5 off-ramp to westbound Mercer Street will close.

– 10 p.m. Tuesday, June 18 to 5 a.m. Wednesday, June 19, the eastbound Mercer Street on-ramp to southbound I-5 will close.

The closures will allow tunnel maintenance crews to safely complete tunnel drainage inspections.

People traveling in the area should seek alternate routes. Real-time traffic information is available on the WSDOT mobile app and the real-time travel map.

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