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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.

Learn more about RPM 

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Latest News

Daily Alley Closure at the north/south alley west of 3412 N. Sheffield Avenue 05/27/2025

Daily Alley Closure at the north/south alley west of 3412 N. Sheffield Avenue for Brown Line Bypass Bearing Maintenance. Download Document

New Dates Extended Sidewalk Closure at W. Lawrence Avenue at the CTA Tracks 05/27/2025

New Dates Extended Sidewalk Closure at W. Lawrence Avenue at the CTA Tracks for sidewalk reconstruction.​ Download Document

Extended Sidewalk Closure at W. Lawrence Avenue at the CTA Tracks 05/21/2025

Extended Sidewalk Closure at W. Lawrence Avenue at the CTA Tracks for sidewalk reconstruction. Download Document

Extended Street Closure and Overnight Work at W. Grace Street, between N. Sheffield Avenue and N. Fremont Street 05/20/2025

Extended Street Closure and Overnight Work at W. Grace Street, between N. Sheffield Avenue and N. Fremont Street for Crane Staging & Audio House Delivery Download Document

Special Notice for Construction Impacts at 3700 block of N. Wilton Avenue (W. Waveland Avenue to W. Grace Street) 05/20/2025

Special Notice for Construction Impacts at 3700 block of N. Wilton Avenue (W. Waveland Avenue to W. Grace Street). Download Document

Special Notice for Construction Impacts at the 3800 block of N. Wilton Avenue (W. Grace Street to W. Sheridan Road) 05/20/2025

Special Notice for Construction Impacts at the 3800 block of N. Wilton Avenue (W. Grace Street to W. Sheridan Road) Download Document

Extended Partial Alley Closure at the east-west alley at the CTA Tracks between W. Newport Avenue and W. Cornelia Street 05/20/2025

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

Updated Impact, Extended Sidewalk Closure at W. Bryn Mawr Avenue at the CTA Tracks 05/19/2025

Updated Impact, Extended Sidewalk Closure at W. Bryn Mawr Avenue at the CTA Tracks for Sidewalk reconstruction.​ Download Document

Daily Sidewalk Closures and Lane Shifts at W. Argyle Street at the CTA Tracks 05/19/2025

Daily Sidewalk Closures and Lane Shifts at W. Argyle Street at the CTA Tracks for Overstreet Lighting, Argyle Sign & Digital Message Board Installation. Download Document

Alley Closures and Overnight Work at the alley behind 3757 N. Sheffield Avenue & 3764 N. Wilton Avenue 05/19/2025

Alley Closures and Overnight Work at the alley behind 3757 N. Sheffield Avenue & 3764 N. Wilton Avenue for Audio House Setting. Download Document

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Support local businesses in Andersonville, Edgewater, Lakeview East and Uptown by shopping, eating and exploring new neighborhoods.

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Workforce and DBE small business opportunities

Creating a better Chicago for everyone.

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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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