The Washington State Department of Transportation (WSDOT) reports that nighttime travelers making their way north through downtown Seattle on I-5 should plan for 12 overnight closures starting Monday, December 4, while crews replace an electronic sign mounted above the highway.
Contractor crews working for WSDOT will close the mainline and collector/distributor lanes from I-90 to Olive Way nightly between 11:59 p.m. Monday, December 4, and 4:00 a.m. Friday, December 9. The express lanes will remain open northbound overnight.
Work continues with nightly closures from 11:59 p.m. Monday, December11, through 4:00 a.m. Friday, December 15, and 11:59 p.m. Monday, December 18, through 5:00 a.m. Friday, December 22.
During the overnight closures, travelers using northbound I-5 can access downtown by using exits near the I-90 interchange, while those continuing north of downtown should use the express lanes.
Flammable Cargo Restriction
A flammable cargo restriction began Tuesday, November 28, for northbound I-5 under the Seattle Convention Center. The restriction is expected to remain in place until the work is completed Friday, December 22. This work involves replacing signs and wiring associated with the I-5 convention center overpass. The sign that warns of northbound tunnel closures will be unable to operate while the work is performed, thus requiring the restriction.
Drivers Going Downtown
People traveling to downtown Seattle should use the Edgar Martinez Drive exit or take eastbound I-90 and exit at Rainier Avenue. The off-ramps to James, Madison and Cherry streets will be closed. The on-ramps from Dearborn, Cherry and University streets to northbound I-5 will also be closed.
Signed detours will assist drivers to the nearest open on-ramp. People driving on I-90 will not be able to connect directly to northbound I-5 and must use a detour route.
Going North of Downtown Seattle
People going north of downtown can shift to the express lanes, keeping in mind that the first exit is Northeast 42nd Street in the University District. The express lanes also exit at Lake City Way and Northgate before rejoining the mainline.
Replacing the sign is another milestone for the I-5 Seneca to SR 520 mobility project in downtown Seattle. Travelers are already seeing benefits from ramp meters, new electronic signs and the addition of a third northbound lane that opened in July.
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