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SR 520 Eastbound - The eastbound SR 520 off-ramp's left turn only lane to West Lake Sammamish Parkway will be closed from 8:00 a.m. to 9:00 a.m. on Sunday, August 31, 2014, for the annual Labor Day Half Marathon. The closure will allow the estimated 1,700 runners to exit Marymoor Park and run north on West Lake Sammamish Parkway. Uniformed officers will direct traffic at the bottom of the ramp. Last Updated: 8/29/2014 11:04 AM More Info
At milepost 12