We get there together.

An 'L' train speeding through the Red-Purple Modernization Project logo

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 

Red-Purple Modernization logo
Train on the bypass

Stay up to date on all the construction impacts.

Latest News

Updated Dates, Extended Partial Alley Closure for the alley east of 4801thru 4838 N. Broadway 12/21/2024

Updated Dates, Extended Partial Alley Closure for the alley east of 4801thru 4838 N. Broadway for Lawrence Station Construction. Download Document

Data Collection at the alley and CTA Structure west of 4230 thru 4322 N. Kenmore Avenue 12/19/2024

Data Collection at the alley and CTA Structure west of 4230 – 4322 N. Kenmore Avenue Download Document

Update Impacts, West Bound Lane Closure at W. Argyle Street between N. Broadway and N. Winthrop Avenue 12/18/2024

Update Impacts, West Bound Lane Closure at W. Argyle Street between N. Broadway and N. Winthrop Avenue for Argyle Station Utility Connections. Download Document

Overnight Work at CTA’s Under Construction Lawrence Station Platform 12/18/2024

Overnight Work at CTA’s Under Construction Lawrence Station Platform. Download Document

Overnight Work at the CTA’s Under Construction Argyle Station Platform 12/16/2024

Overnight Work at the CTA’s Under Construction Argyle Station Platform for platform construction. Download Document

1 Day & Overnight Partial Alley Closure for the alley west of 937 W. Newport Avenue 12/13/2024

1 Day & Overnight Partial Alley Closure for the alley west of 937 W. Newport Avenue for Crane Staging & Hoisting. Download Document

Evening and Overnight Work at CTA’s Elevated Structure from just north of W. Newport Avenue to just south of W. Roscoe Street 12/13/2024

Evening and Overnight Work at CTA’s Elevated Structure from just north of W. Newport Avenue to just south of W. Roscoe Street for rail grinding. Download Document

Overnight Work for CTA’s Under Construction Berwyn Station Platform 12/10/2024

Overnight Work for CTA’s Under Construction Berwyn Station Platform for Platform Construction. Download Document

Extended Partial Alley Closure at the alley west of 5600 thru 5614 N. Winthrop Avenue & 1114 W. Bryn Mawr Avenue 12/09/2024

Extended Partial Alley Closure at the alley west of 5600 thru 5614 N. Winthrop Avenue & 1114 W. Bryn Mawr Avenue Download Document

Extended Street Closure at W. Argyle Street at the CTA Tracks 12/05/2024

Extended Street Closure at W. Argyle Street at the CTA Tracks for Argyle Station Utility Connections & Platform Steel Installation. Download Document

Results: 1 - 10 of 1100 Articles
Illustration of construction barriers

Updates delivered to your inbox

Get just the updates important to you by selecting your zone and nearest station.

Sign up for project emails 

Shop. Eat. Play. Explore locally!

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

Support local businesses 

Apply to be a featured business 

O4B-home
A construction worker carrying lumber.

Workforce and DBE small business opportunities

Creating a better Chicago for everyone.

Learn more about workforce and business opportunities 

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 
Signs for Howard and 95th/Dan Ryan

Red Ahead

Red Ahead wordmark

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 

Red Ahead logo