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Community Transit Issues Notice to Proceed on 128th Street Widening Project

Construction officially got underway the week of June 26, 2017, on a project to add new right-hand lanes approaching a busy I-5 overpass at 128th Street SE west of Mill Creek.
The Swift Green Line will connect Canyon Park and Boeing's Paine Field workplace. Image courtesy of Community Transit.

From a Community Transit News Release.

New lanes being added to aid Swift Green Line buses and traffic on congested I-5 overpass at 128th Street SE.

Construction officially got underway the week of June 26, 2017, on a project to add new right-hand lanes approaching a busy I-5 overpass west of Mill Creek.

The work will help Community Transit’s Swift Green Line buses stay on schedule and will benefit general traffic at this congested location.

The Swift Green Line is the agency’s second bus rapid transit line, set to open in early 2019. The Swift Blue Line serves more than 1.7 million riders a year on Highway 99 between Everett and Shoreline.

To help speed buses along the Swift Green Line, new right-hand lanes are being created on westbound 128th Street SE approaching I-5. There will be one new lane on each side of the freeway.

On the east side of I-5 the new right lane will be for buses and all traffic turning right onto northbound I-5. When a bus is present, the traffic signal gives the right-lane a green light a few seconds before the through lanes to allow the bus to get across the overpass.

128th Street SE improvements east of I-5. Image courtesy of WSDOT.

128th Street SE improvements east of I-5. Image courtesy of WSDOT.

On the west side of I-5 the new lane will be for all traffic turning right onto southbound I-5. The second lane in will be a bus-only lane to help get buses across the overpass.

128th Street SE improvements west of I-5. Image courtesy of WSDOT.

128th Street SE improvements west of I-5. Image courtesy of WSDOT.

Currently, it can take buses anywhere from three to seventeen minutes to cross this busy overpass. This project will help buses stay on schedule, and will also benefit all traffic traveling across the overpass or entering I-5 from 128th Street SE.

With today’s official notice to proceed, construction will start this week adding a new lane on the west side of the freeway.

During the day, work is limited to the curb or street shoulder. Traffic may be impacted by temporary lane closures between 8:00 pm and 5:00 am weeknights and on weekends. There will not be any lane closures on Friday or Saturday nights. During the project there may be extended lane closures that will be announced in advance.

In advance of this project, Snohomish County PUD began work a few weeks ago to relocate utility poles on the east side of I-5 to make room for the new lane.

This 128th Street SE project could take two summer construction seasons to complete, or it may be done by the end of this year. The final timeline depends on how much of the roadwork can be completed before October.

The Swift Green Line will provide fast, frequent service between Canyon Park/Bothell and Boeing/Paine Field. Last month, construction began on the Seaway Transit Center near Boeing. The Seaway Transit Center will be the northern hub of Swift Green Line connecting Paine Field.

For more information and updates visit the project page on our website: https://www.communitytransit.org/128th.

Sign up to get Swift Green Line construction alerts by email or text at www.bit.ly/GetSwiftNews.

Community Transit is responsible for providing bus and paratransit service, vanpool and alternative commute options in Snohomish County. The agency is building a network of Swift bus rapid transit lines with Swift Blue Line along Highway 99 and the Swift Green Line between Canyon Park/Bothell and Boeing/Paine Field coming in 2019.              

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