The tunnel will be closed for up to five nights to texture the road to improve traction, says the Washington State Department ...

Starting Aug. 18, the SR 99 tunnels will undergo a $1.5 million traction improvement project, leading to up to five nightly ...

Seattle-area freeways will face closures and lane reductions from August 22-25, affecting I-5, I-405, and SR 99. Major ...

It’s about time for people who use the State Route 99 tunnel under downtown Seattle to get a grip. Beginning Monday night, ...

WSDOT said, "it’s about time for people who use the State Route 99 (SR 99) tunnel under downtown Seattle to get a grip." ...

Join KING 5's Seattle Tunnel Traffic Facebook group to stay up-to-date on the latest Seattle tunnel and Viaduct news and get tips to battle traffic during the three-week Viaduct closure in January.

Crews have started to unbury on- and off-ramps that will connect SR 99 to the new Seattle tunnel.

When it's finished, the Seattle tunnel should not only be safe, it could be one of the safest structures in town. There may be a caveat, however.

Reporting from SEATTLE — When the world’s largest drilling machine smashed through a 5-foot-thick concrete barrier, emerging in a cloud of dust from an earthen hole that will become one of the ...

SEATTLE - The free rides through the new Seattle tunnel are about to come to an end. State transportation officials announced Monday that tolling will begin Saturday, Nov. 9, at 5 a. m. on the ...

A lot changed since the last big quake hit the Seattle area almost 20 years ago: more skyscrapers, attractions and a new tunnel below downtown. The Washington State Department of Transportation ...