CTA to upgrade track on west end of Green Line starting in March

Green Line riders should see smoother, more reliable commutes upon the completion of the Green Line West Track Renewal Project.

The project, set to start in March, will upgrade track infrastructure between the Laramie and Harlem/Lake stations. Details were still being finalized, including how long the project would take. The CTA promises the work will occur on weekends and during nights while trains are not in operation.

The $13 million contract is being awarded to Kiewit Infrastructure Co. The work will involve the replacement of track ties on the Green Line west of Laramie station and other related track work, including new tie plates and fasteners, transposing of running rails at select curves and other rail work as well as some ballast replacement and surfacing work.

The work is a “proactive effort” to avoid the development of future slow zones in the area, which results in reduced reliability and increased travel times. The last major track renewal work along this 2.5-mile stretch of tracks occurred in the 1980s and more than 75 percent of the rail ties are approaching or have exceeded their useful life.


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  • And the west end of the Blue Line continues to rot away with unending slow zones.

  • Agree with Spiny. The west branch of the Blue Line is in 3rd world condition. I hope they use concrete ties on this Green Line rehab project.

  • In reply to RalphKramden:

    As reported on the December 2015 slow zone map, the Congress line had 13.1% slow zones. There was no change from November 2015.

    I guess we should consider ourselves lucky, as it was 31.5% in December 2014.

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