Fire closes both directions of Highway 99 tunnel in Seattle A fire in the Highway 99 tunnel in Seattle has shut down both directions of traffic on Thursday night, according to SDOT.Share this: TRAFFIC ALERT: Highway 99 tunnel closedDateJanuary 22, 2026In relation toMuslim NewsHIGHWAY 99 TUNNEL: Next closure date set. Plus: Should tolls be higher while World Cup is here?DateDecember 2, 2025In relation toMuslim NewsSeattle’s SR 99 tunnel closed in both directions due to power outageDateNovember 20, 2025In relation toKing 5 News