Cone Zone

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Updated 4/24/2026

Stormwater Pipe CCTV Inspection

• When: April 27-May 1, 2026, Monday-Friday
• Work Location: 208^th Avenue Northeast, Northeast 15^th Street, and 211^th Way Northeast
• Traffic Impacts: Traffic disruptions will be minimal, with only occasional single-lane closures expected. Appropriate signage and traffic control measures will be in place.
• 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.

King County Wastewater Treatment Division Survey Work

• When: April 27-May 1, 2026: 7:00am – 3:30pm
• Work Location: 3206 East Lake Sammamish Parkway NE heading south to south side of 29^th Street
• Traffic Impacts: None. Surveyors will be staged on shoulders of East Lake Sammamish Parkway Northeast
• True North will be surveying and marking utilities.

• When: May 4-8, 2026: 7:00am – 3:30pm
• Work Location: 3206 East Lake Sammamish Parkway NE heading south to south side of 29^th Street
• Traffic Impacts: None. Surveyors will be staged on shoulders of East. Lake Sammamish Parkway Northeast
• True North will be surveying and marking utilities.

Water District

• When: April 27 and April 29, 9:30am-3:00pm
• Work Location: Sahalee Drive Northeast and Sahalee Way Northeast
• Traffic Impacts: West shoulder will have traffic impacts. Traffic Control will be present.
• Northeast Sammamish Sewer and Water will be doing a water tie.

Water District

• When: April 24-39
• Work Location: Northeast 37^th Way
• Traffic Impacts: Traffic Control will be present.
• Northeast Sammamish Sewer and Water will be installing water services.

George Davis Creek Fish Passage Project

• When: April 27-May 1, Monday-Friday
• Work Location: East Lake Sammamish Parkway between Northwest 8^th Street to Louis Thompson Road
• Traffic Impacts: Possible minor traffic delays. Traffic control will be present
• PSE is coring a new gas line. Power lines are also being removed.

Paving

• When: April 30^th 9:30am – 3:30pm
• Work Location: Issaquah Pine Lake Road & Southeast 48^th Street
• Traffic Impacts: Traffic control and a uniformed police officer will be in the intersection directing traffic. Some delays are possible.

2026 Citywide Traffic Counts

• When: April 27-May 11
• Work Location: Citywide
• Traffic Impacts: This equipment will not impact traffic, however they may be felt when driving over them. Drivers should also use caution when passing the contractor’s vehicles when stopped on the side of the road to place tubes or check on their equipment.
• Tubes will be placed on main roadways to collect traffic volumes and cameras will be setup at intersections to collect data on vehicle movements.
• Project webpage link: https://www.sammamish.us/government/public-works/traffic-engineering/citywide-traffic-counts/