WDOT Traffic Advisory

June 19, 2013

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: seattle.competitor.com.