Nighttime airport road closures coming on Friday, Jan. 30

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Motorists traveling to and from Sea-Tac International Airport Friday night and early Saturday need to allow extra time due to road closures. Contractors building the Link light rail station at the airport will erect a pre-fabricated steel pedestrian bridge spanning International Boulevard and the northbound Airport Expressway lanes. The work will require temporary overnight closures of both roadways.

A 550-ton crane with a 116-foot boom will work in the median of International Boulevard to set the bridge in place.

The new pedestrian bridge will connect SeaTac/Airport Station with a new pick-up/drop-off area on the east side of International Boulevard.

What travelers can expect: 

  • From 9 p.m. on Friday, Jan. 30 until 4 a.m. on Saturday, Jan. 31, northbound and southbound International Blvd will be closed between S 170th Street and S 176th Street. Please see detour information below.
    Motorists may see traffic control and single lane closures set-up as early as 8:00 p.m.
  • From 11 p.m. on Friday, Jan. 30 until 4 a.m. on Saturday, Jan. 31, the northbound Airport Expressway will be closed. Please see detour information below.
  • Access will be maintained for all businesses along the closed section of International Blvd. and customers/deliveries/employees will be aided through the work zone by flaggers.
  • A recommended detour will be in place for both north and southbound International Blvd. Please allow extra travel time for traffic changes.

Northbound International Boulevard detour:

  • Right onto South 176th Street
  • Left onto Military Road South
  • Left South 170th Street to return to International Boulevard

Southbound International Boulevard detour:

  • Left onto South 170th Street
  • Right onto Military Road South
  • Right on South. 176th Street to return to International Boulevard

Airport Expressway detour:

    • The Upper Drive (Departure Level) will be closed. Traffic will be detoured onto the Lower Drive (Arrivals Level)
    • The entrance to the Airport at South 182nd Street will be closed and traffic detoured to the Air Cargo Road entrance via South 170th Street
    • The south entrance to the Airport Parking Garage will be closed and all parking traffic will routed to the north entrance
    • Traffic exiting from the Rental Car area will be rerouted
    • Traffic exiting from the Airport Parking Garage will be rerouted
    • There will be no local access from the Airport Parking Garage from 11 p.m. on Friday night until 4 a.m. on Saturday morning

For more information on traffic detours please see: http://www.portseattle.org/seatac/traveler/roads.shtml

Drivers traveling to and from Sea-Tac Airport should allow extra time for delays during these periods and of course drive cautiously and pay close attention to flaggers and detour signage.

The schedule for this work is subject to change if necessary. The latest schedule information is posted at projectupdates

For more information on SeaTac/Airport Station please see:

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