Cone Zone
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Updated 1/30/2026
Watermain Installation
🕤 February 2, 2026: 7:30am-5:00pm
🚦Traffic Impacts: Two-way traffic will be in place with minor delays.
📍 Work Location: Sahalee Way between NE 36th and 37th Way
👷♂️ Northwest Sammamish Water & Sewer will be installing a new water main.
King County Wastewater Treatment Division Survey Work
🕤January 26-30, 2026: 7:00am – 3:30pm
🕤February 2-6, 2026: 7:00am – 3:30pm
🚦Traffic Impacts: None. Surveyors will be staged on shoulders of E. Lake Sammamish Pkwy NE
📍 Work Location: ELSP NE starting at Sammamish Landing Park and heading south to the 3800 block.
👷♂️ True North will be surveying and marking utilities.
🕤February 7, 2026: 6:00am – 9:00am
📍 Work Location: East Lake Sammamish Parkway NE between NE 49th Pl and Sammamish Landing Park.
🚦Traffic Impacts: Traffic control will be present; single lane closures anticipated. Expect minor delays.
👷♂️ King County will be completing structure as-builts to support surveying (opening access lids of existing utility structures).