Rock ā€˜nā€™ Roll Seattle Marathon to close part of northbound SR 99 this Saturday

Posted on Jun 19 2013 9:23 AM

On Saturday, June 22, about 25,000 runners will take to the streets for the Rock ‘n’ Roll Seattle Marathon. The race will affect I-5, I-90, State Route 99 and a number of nearby surface streets:

  • Northbound SR 99, including the Alaskan Way Viaduct, will be closed between South Hudson Street and South Roy Street from 5 a.m. to 3:30 p.m. on June 22.
  • Streets near the Seattle Center, such as Mercer Street and Fifth Avenue, will be closed from midnight on Friday into the morning in preparation for the event. 
  • From the morning into early afternoon, other key closures include the I-5 and I-90 ramps at Columbia, Dearborn and Rainier; the I-90 express lanes; Broad Street; the downtown core from Second Avenue to Fifth Avenue; Rainer Avenue S and Lake Washington Boulevard.

Additional details with maps are available at:

Motorists should expect heavy traffic on streets surrounding both events. The Seattle Department of Transportation urges motorists to consider parking the car and taking one of the many alternate modes of transportation available - Metro Transit, the West Seattle Water Taxi, Sounder commuter train, Link light rail, car pool, bicycle or walk, if feasible.