Road Alerts: I-405 and Coal Creek Parkway
Posted on 04/23/2020

THIS IS AN ARCHIVED NEWS STORY FROM 2020 AND THE CONTENTS OF THIS ARTICLE MAY NO LONGER APPLY. FOR THE LATEST COMMUNITY NEWS CLICK HERE.

ROAD ALERTS FROM KING COUNTY:

Starting as early as April 27, King County crews will close one lane of traffic along Coal Creek Parkway to locate utilities in the roadway using a construction technique called “potholing”. During this Coal Creek Sewer Upgrade work, crews will use a jackhammer to break up pavement in seven locations (see map here). Then they will use a vacuum excavation truck to remove dirt and locate utilities. Once the utilities have been located, the roadway will be restored. Potholing work should take approximately 3 days to complete. No work is planned for the weekend.

What to expect during the work
— Work will take place Monday-Friday, from 9:00 a.m. until 4:00 p.m.
— Flaggers will direct commuters around a one lane closure by the work area on Coal Creek Parkway
— Equipment in the roadway; traffic control equipment may be parked on the roadway shoulder overnight
— For safety, Olympic Pipeline inspectors will be onsite during utility location work
— Noise typical of a construction site
— Watch for warning signs prior to the lane closure in each direction!

King County Wastewater Treatment Division (WTD) will upgrade a regional sewer line that serves Bellevue and Newcastle. The existing pipeline was built between 1966 and 1991 in an area that looked different from today, with a smaller population. The pipeline is nearing its maximum capacity and needs to be upgraded to carry more wastewater and meet the growing needs of your community. You can learn more about the project at https://www.kingcounty.gov/CoalCreekSewer.

ROAD ALERTS FROM THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION:


To help meet demand, and address safety issues, WSDOT contractor crews will be widening I-405 between SR 167 and Northeast 6th street in Bellevue. That work involves certain lane and ramp closures over the next week.

— Monday, April 27 to the morning of Friday, May 1 – The right lane and shoulder of both southbound and northbound I-405 between the Lake Washington Boulevard and the Northeast 44th Street interchanges will be closed nightly from 9 p.m. to 5 a.m. The Lake Washington Boulevard off-ramp and on-ramp will also be closed. On Friday morning the area won’t reopen until 7 a.m.

— Tuesday, April 28 to the morning of Friday, May 1 – The northbound I-405 Coal Creek off-ramp and shoulder will be closed nightly from 9 p.m. to 5 a.m.

— Wednesday, April 29 to the morning of Friday, May 1 – The left lane and shoulder of southbound I-405 between the Coal Creek off-ramp and on-ramp will be closed nightly from 10:30 p.m. to 5 a.m. On Friday morning, the area won’t reopen until 7 a.m.

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