Events Traffic Advisory for Wednesday, March 21 – Sunday, March 25

SDOT is advising travelers to be aware of the following events happening around the city that may affect area traffic. WSDOT closure of SR99 Viaduct for inspection Saturday through Sunday. WSDOT will have lane closures on southbound I-5 from SR 520 to Union St, and the Mercer St onramp to southbound I-5 will be closed through the weekend. The March For Our Lives is on Saturday and scheduled to start at 11 a.m. at Cal Anderson and travel through downtown along 4th Ave to Seattle Center.

THURSDAY, MARCH 22 – SUNDAY, MARCH 25:

Taste Washington at CenturyLink Field Event Center from 2 p.m. to 5:30 p.m. About 10,000 people are expected to attend each day.

SATURDAY, MARCH 24:

March For Our Lives Supporters are marching to demand change from elected officials. A rally at Cal Anderson Park begins at 10 a.m. The march is scheduled to start at 11 a.m. and will travel along 4th Ave to Seattle Center.

Magnolia Little League Parade: The annual Little League season kickoff parade in Magnolia begins at W McGraw St to 32nd Ave W concluding at Magnolia Playfield from 10 a.m. to 12:30 p.m. About 2000 people are expected to attend.

SATURDAY, MARCH 24 – SUNDAY, MARCH 25:

WSDOT Semi-annual Viaduct Inspection will close SR99 viaduct from 6 a.m. to 6 p.m. between Denny Way and S Spokane St. The closure is scheduled from 6 a.m. – 6 p.m. Saturday, March 24 and 6 a.m. – 6 p.m. Sunday, March 25.

WSDOT Construction:

  • Saturday, March 24, to the morning of Sunday, March 25 – Southbound I-5 will be reduced to one lane between SR 520 and Union Street beginning at 9 p.m. All lanes will reopen by 7 a.m.
  • Saturday, March 24, to the morning of Sunday, March 25 – The Mercer Street on-ramp to southbound I-5 will be closed from 10 p.m. to 7 a.m.
  • Sunday, March 25, to the morning of Monday, March 26 – Southbound I-5 will be reduced to one lane between SR 520 and Union Street beginning at 9 p.m. All lanes will reopen by 5 a.m.
  • Sunday, March 25, to the morning of Monday, March 26 – The Mercer Street on-ramp to southbound I-5 will be closed from 10 p.m. to 5 a.m.