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May 2011
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CityLink Seattle

Nighttime Closure of I-5 on- and off-ramps at Mercer St , Weekend of May 6-9

The Seattle Department of Transportation (SDOT) reminds travelers of the previously announced closure of the I-5 on- and off-ramps at Mercer Street scheduled to begin at 11:00 p.m. on Friday, May 6, and continue through 5:00 a.m. on Monday, May 9.

Detour route maps are available on the project website. Detour routes shown on these maps will be signed on roadways and may be heavily used. Travelers are advised to consider alternate routes to their destinations such as SR 99 or alternate I-5 exits and entrances. Adjustments have been made following the first weekend closure of the ramps in April to help improve traffic flow, including additional roadways signs directing travelers and adjustments to traffic signals and police officer staffing at major intersections.

After May 6 – May 9, the next weekend closure of the I-5 on- and off-ramps at Mercer Street is scheduled for May 20 – May 23. Closure hours are expected to be from Friday at 11:00 p.m. to Monday at 5:00 a.m.

During these closures, the I-5 on-ramp at University Street will be concurrently closed to provide more efficient traffic flow around the closed Mercer Street exit lane. Fairview Avenue N will also be closed between Mercer Street and Valley Street. All detour routes will be clearly marked to support traffic flow around the closures.

For more information: send e-mail to or phone (206) 419-5818.

Media contact: Richard Sheridan, (206) 684-8540

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