Landslide shuts down eastbound SR 18 near Tiger Mountain Summit
Mar 16, 2026, 3:08 PM | Updated: 3:21 pm
A photo of the landslide near Tiger Mountain Summit. (Photo courtesy of the Washington State Patrol)
(Photo courtesy of the Washington State Patrol)
A small landslide has closed a portion of eastbound State Route 18 (SR 18) near Tiger Mountain Summit.
The landslide shut down eastbound SR 18 at Issaquah/Hobart Road Monday afternoon, Washington State Patrol Trooper Rick Johnson announced.
This is EB 18 just before Tiger Mountain Summit. EB 18 is closed at the Issaquah/ Hobart Road. Use alternate routes. No ETA for clearing at this time. pic.twitter.com/Sf9Pe6Gypy
— Trooper Rick Johnson (@wspd2pio) March 16, 2026
At approximately 1 p.m., Trooper Johnson advised travelers in the area to seek alternate routes.
There is currently no estimated time for the roadway to be cleared and for eastbound SR 18 to reopen.
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