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Dates: Saturday, October 1 to Thursday, October 6, 2022      
Location: The alley behind 4800 - 4848 N. Winthrop Avenue
                 (W. Lawrence Avenue to W. Ainslie Street)

Work Hours:  7am to 7pm, weekdays & Saturdays
(Prep work will begin at least ½ hour prior to start of shift)

Work Activity: Track Column Installation

Local Impact:
  • Crews will be working from north to south.
  • Crews will block access to the alleys and garages/parking spaces during stated work hours.
  • Access to garages/parking spaces will be available at the end of each workday.
  • The contractor will provide alternative parking for impacted residents.
  • If you need further information about alternative parking, please contact the contractor, Walsh-Fluor, at 708-253-9772.
  • The contractor will maintain garbage and recycling pickup.
  • There will be noise while work is being performed. Noise will include:
    • General construction noise
    • Beeping from backup alarms on construction equipment and vehicles
    • Flagging horns
In an effort to maintain track along the CTA Red Line, eliminate slow zones, and continue to provide quality rapid transit service, work will be performed that may affect your community. While progress sometimes comes with inconveniences, we will do our best to keep them to a minimum.
If you have any questions or concerns about the work activity, please contact:
or leave a message for callback:
For more information about RPM, visit
Copyright © 2022 CTA RPM, All rights reserved.

Our mailing address is:
Chicago Transit Authority, Attention RPM · 567 W Lake St · 9th Floor · Chicago, IL 60661 · USA
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