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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

Continuous work at the Northbound Red Line, north end of Belmont Station to approx. 250ft north 04/25/2025

Continuous work at the Northbound Red Line, north end of Belmont Station to approx. 250ft north for Permanent Plinth Installation. Download Document

Extended Lane Shift & Sidewalk Closure at W. Ainslie Street between N. Broadway and N. Winthrop Avenue 04/24/2025

Extended Lane Shift & Sidewalk Closure at W. Ainslie Street between N. Broadway and N. Winthrop Avenue for Street & Sidewalk Reconstruction. Download Document

Extended Partial Alley Closure at the alley west of 4900 thru 4928 N. Winthrop Avenue (W. Ainslie Street to W. Argyle Street) 04/24/2025

Extended Partial Alley Closure at the alley west of 4900 thru 4928 N. Winthrop Avenue (W. Ainslie Street to W. Argyle Street) for Alley Reconstruction. Download Document

New Dates Extended Street Closure at W. Argyle Street at the CTA Tracks for Argyle Cantilever Sign Installation 04/21/2025

New Dates Extended Street Closure at W. Argyle Street at the CTA Tracks for Argyle Cantilever Sign Installation​ Download Document

Updated Dates Extended Partial Alley Closure at the alley east of 5201 thru 5259 N. Broadway (W. Foster Avenue to W. Berwyn Avenue) 04/16/2025

Updated Dates Extended Partial Alley Closure at the alley east of 5201 thru 5259 N. Broadway (W. Foster Avenue to W. Berwyn Avenue) for alley reconstruction. Download Document

Extended Street Closure at W. Argyle Street at the CTA Tracks for Argyle Cantilever Sign Installation. 04/14/2025

Extended Street Closure at W. Argyle Street at the CTA Tracks for Argyle Cantilever Sign Installation.​ Download Document

Parking Lane and Sidewalk Closure at W. Grace Street, between the CTA Tracks and N. Wilton Avenue 04/11/2025

Parking Lane and Sidewalk Closure at W. Grace Street, between the CTA Tracks and N. Wilton Avenue for tree trimming. Download Document

Continuous Work at Southbound Red Line: north end of Belmont Station to approx. 330ft north 04/09/2025

Continuous Work at Southbound Red Line: north end of Belmont Station to approx. 330ft north for Permanent Plinth Installation Download Document

Daily Partial Alley Closure at the alley east of 3217 thru 3257 N. Sheffield Avenue 04/07/2025

Daily Partial Alley Closure at the alley east of 3217 thru 3257 N. Sheffield Avenue. Download Document

Daily Partial Alley Closure for the alley east of 3327 thru 3335 N. Sheffield Avenue 04/07/2025

Daily Partial Alley Closure for the alley east of 3327 thru 3335 N. Sheffield Avenue for Download Document

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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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