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April 11, 2018
Washington State Department of Transportation is warning motorists that it will close some or all northbound Interstate 5 lanes through Seattle over several weekends this spring and summer.
The work is part of a $51.2 million project to build 13 miles of new concrete and asphalt lanes on the freeway from MLK Way in the south end to Northeast Ravenna in the north end. Included are 37 new expansion joints.
Guy F. Atkinson Construction was awarded a $38.6 million design-build contract for the work about a year ago, according to DJC records.
The entire northbound freeway will be closed on two weekends: May 18-21 and June 1-4. Lane reductions are scheduled for these weekends: April 20-23, April 27-30, May 11-14 and July 13-16.
WSDOT also plans to close the northbound I-5 ramp to West Seattle Bridge/Columbian Way on April 13-16.
Much of this work can only be done during dry weather so the schedule may change.
A WSDOT spokesman said about 250,000 cars use the northbound lanes daily. He said 30 to 50 percent of them will have to find alternative routes or modes of transportation to keep traffic manageable. He added that motorists should expect heavier traffic on those alternative routes.
The project should be finished by early fall, but weather could change that.