Starting Monday, Sept. 11, 2023 near Tiger Mountain, eastbound SR 18 will be closed for up to three nights to facilitate pavement repairs.

All lanes of eastbound SR 18 will close nightly from 11 p.m. to 4 a.m. for up to three nights beginning Monday.

A signed detour will use Issaquah-Hobart Road Southeast to Front Street in Issaquah and eastbound I-90.

Work will then swap to other side, and all lanes of westbound SR 18 will close from 11 p.m. to 4 a.m. nightly Mondays through Thursdays. A signed detour will be available using westbound I-90 to Front Street in Issaquah and Issaquah-Hobbart Road Southeast.

During next spring’s ramp repairs, expect nighttime ramp, lane and shoulder closures, with signed detours available and alternating traffic when necessary.

The Breakaway Cable Terminal Replacement project will require shoulder and some lane closures.