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Red and Purple Modernization Phase One Project

As CTA’s largest transit investment, the Red and Purple Modernization (RPM) Phase One Project modernizes our public transportation system to strengthen communities, serve riders and stimulate inclusive economic growth.

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Latest News

Extended Street Closure at W. Berwyn Avenue between N. Broadway and N. Winthrop Avenue Work Hours: 07/07/2025

Extended Street Closure at W. Berwyn Avenue between N. Broadway and N. Winthrop Avenue Work Hours for Asphalt Placement. Download Document

Daily Lane Shifts and 2 Day Daily Street Closures at W. Winona Street at the CTA Tracks 07/07/2025

Daily Lane Shifts and 2 Day Daily Street Closures at W. Winona Street at the CTA Tracks for sewer work.​ Download Document

Extended Alley Closure for the alley west of 4800 thru 4848 N. Winthrop Avenue (W. Winona Street to W. Foster Avenue) 07/07/2025

Extended Alley Closure for the alley west of 4800 thru 4848 N. Winthrop Avenue (W. Winona Street to W. Foster Avenue) for alley reconstruction. Download Document

Extended alley Closure for the alley west of 918 W. School Street & 3300 thru 3328 N. Clark Street 07/07/2025

Extended alley Closure for the alley west of 918 W. School Street & 3300 thru 3328 N. Clark Street for alley reconstruction. Download Document

Alley Impacts at the alley behind: 1015 thru 1041 W. Newport Avenue - 1014 thru 1044 W. Roscoe Street 07/02/2025

Alley Impacts at the alley behind: 1015 thru 1041 W. Newport Avenue - 1014 thru 1044 W. Roscoe Street for Flyover Drip Pan Installation Preparation. Download Document

Updated Dates Extended Alley Closure at the east-west alley only at the CTA Tracks between W. Newport Avenue and W. Cornelia Street 06/27/2025

Updated Dates Extended Alley Closure at the east-west alley only at the CTA Tracks between W. Newport Avenue and W. Cornelia Street for Lead Paint Abatement and Repainting. Download Document

Updated Impacts - Stage 3 -Extended Lane and Alley Entrance Closure at W. School Street between CTA Tracks and the alley to the east & the alley west of 918 W. School St & 3300 thru 3328 N. Clark Street 06/25/2025

Updated Impacts - Stage 3 -Extended Lane and Alley Entrance Closure at W. School Street between CTA Tracks and the alley to the east & the alley west of 918 W. School St & 3300 thru 3328 N. Clark Street for street reconstruction Download Document

Daily Alley Impacts at the alley behind 3757 thru 3763 N. Sheffield Avenue & 3764 N. Wilton Avenue 06/23/2025

Daily Alley Impacts at the alley behind 3757 thru 3763 N. Sheffield Avenue & 3764 N. Wilton Avenue for Audio House Equipment Installation. Download Document

Updated Dates and Impact Sidewalk Closures W. Bryn Mawr Avenue at the CTA Tracks 06/18/2025

Updated Dates and Impact Sidewalk Closures W. Bryn Mawr Avenue at the CTA Tracks for sidewalk reconstruction.​ Download Document

Urgent Update - Scheduled Power Outage at N. Winthrop Avenue, both sides from W. Leland Avenue to W. Ainslie Street - W. Lawrence Avenue, and both sides from N. Broadway east to the alley between N. Winthrop Avenue and N. Kenmore Avenue 06/17/2025

Urgent Update - Scheduled Power Outage at N. Winthrop Avenue, both sides from W. Leland Avenue to W. Ainslie Street - W. Lawrence Avenue and both sides from N. Broadway east to the alley between N. Winthrop Avenue and N. Kenmore Avenue for ComEd Maintenance Download Document

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Workforce and DBE small business opportunities

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Red and Purple Modernization Next Phases Study

As RPM Phase One continues construction, CTA is moving ahead on the multi-year process to initiate the next phase of the RPM program. The RPM Next Phases Planning Study is the first step of the planning process that will set goals and objectives, engage the public, identify potential projects, and evaluate alternatives and phasing.

About the RPM Next Phases Planning Study 
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Red Ahead

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RPM is part of Red Ahead, a comprehensive initiative for maintaining, modernizing, and expanding Chicago’s most-traveled rail line.

Learn more about Red Ahead 

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