Cone Zone
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Updated 9/26/25
Stormwater Pipe CCTV Inspection
🕤 October 6-10, 2025
🚦 Traffic Impacts: Traffic disruptions will be minimal, with only occasional single-lane closures expected. Appropriate signage and traffic control measures will be in place.
📍 Work Locations:
📌 NE 14th DR from 220th PL NE – 228th Ave NE
📌 Sahalee Dr W from 211th Ave NE to 215th Ave NE
👷♂️ The project will involve pipe inspections using CCTV technology, along with cleaning and vactoring services as needed. Some pipes may require jetting to remove debris or obstructions. All work will be conducted following safety and operational protocols to ensure accurate inspections and minimal disruptions.
Louis Thompson Road
🕤 Beginning September 8, 2025 – October 30, 2025
🚦 Traffic Impacts: Traffic will switch back to one-way up the hill. The detour helps keep drivers and residents safe while work is underway.
📍 Work Location: Louis Thompson Road
👷♂️ Crews will be installing curb, gutter, driveway approaches, retaining walls, and road widening. Final paving is scheduled to be completed by end of October, after which two-way traffic will return. School buses, mail delivery, and garbage pickup will continue as usual.
Watermain Installation
🕤 August 2025 – December 2025
🚦 Traffic Impacts: Traffic control is being used and some minor delays are expected.
📍 Work Location: Sahalee Drive East
👷♂️ Northwest Sammamish Water & Sewer will be installing a new water main.