Cone Zone
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Updated 7/18/25
Stormwater Pipe CCTV Inspection
Pipe inspections using CCTV technology will occur 7/21 – 7/25, 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.
Traffic disruptions will be minimal, with only occasional single-lane closures expected. Appropriate signage and traffic control measures will be in place to ensure the safety of both workers and the public.
Louis Thompson Tightline Project
One-Way detour on Louis Thompson Road will be extended through July 25, 2025 for soldier pile retaining wall installation. This extension allows the project to advance wall construction in coordination with overhead utilities on the power poles. Extending this ongoing detour will reduce the impact on motorists and residents and eliminate the need for temporary road closures.
2025 Pavement Overlays
Lakeside Industries will be grinding the existing asphalt, placing new asphalt, and adjusting utilities in the roadway at West/East Beaver Lake Drive SE, from SE 24th Street to SE 22nd Place. The work will occur from June 30-July31, from about 7am to 4pm.
The right travel lane will be temporarily closed throughout most working hours. Flaggers will be alternating the traffic during lane closures.
2025 2025 ADA Barrier Removals
The following sites may experience the right travel lane temporarily closed during working hours (7am-5pm) from July 14th through August 22nd. Traffic control will be provided.
-Site A: Replacement of damaged sidewalk panels at 16 locations
228th Avenue SE/NE, between SE 4th Street and NE 8th Street (both sides of street)
-Site B: Replacement of pedestrian curb ramps at the two intersections
SE Klahanie Blvd, at the 256th Avenue SE & SE 39th Way intersections
Road Striping Maintenance Night Work
King County will be performing striping maintenance work on the city’s roads starting the evening of July 15th to refresh existing fog lines, center lines, and raised pavement markers. This work will be taking place at nighttime between the hours of 9pm to 6am. Crews will place signage and warnings of wet paint, and drivers should expect delays and use caution.
For more information about this program, please visit:
Klahanie Park Tree Removal
Hazardous trees will be removed along the trail south of SE 32nd St. There will be intermediate traffic delays while trees are being lowered. Expect traffic delays the week of 7/14 – 7/25 from 8am to 3pm along the following location:
SE 32nd St from 244th Ave SE to Beaver Lake Middle School
PSE Work
Paving will occur at the following locations:
-NE 37th Way and NE 38th St at 208th Ave NE
-NE 16th St and 211th Way NE
This work will start July 14th and end July 23rd. Lakeside industries will be doing the work and will also be notifying residents. Utility iron will be lowered in the road first followed by grinding and then paving. Traffic control will be present for traffic and pedestrians.
Ziply Fiber Restoration Work
The Ziply permits are currently suspended by the City of Sammamish. Ziply is still allowed to perform restoration work associated with previous construction activities. Restoration activities include soft surface replacement, asphalt patching, and sidewalk replacement.
WSDOT Traffic Alerts
I5 Ship Canal Bridge
There will be a weekend-long closure of northbound I-5 in Seattle Friday night, July 18 through early Monday morning, July 21. Following the closure, the freeway will be reduced to two lanes for four weeks northbound across the bridge.
I90 – SR18 Interchange Improvements
Starting Thursday night, July 17, both directions of SR 18 at the I-90 interchange will close around the clock for eight days, reopening Friday, July 25. See website for details.
https://wsdot.wa.gov/construction-planning/search-projects/i-90-sr-18-interchange-improvements