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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

Stay up to date on all the construction impacts.

Latest News

Dailey alley closures 5125-5139 N Broadway, 1131-1133 W Foster 12/08/2023

The alleys between W Winona and W Foster will close during work hours 6am-7pm weekdays and Saturdays thru Dec. 22 for track structure drilled shaft installation. Download Document

Overnight work Brown Line 3335-3349 N Sheffield 12/07/2023

Overnight work hours 12am-5am weekdays and weekends on CTA Brown Line behind 3345-3349 N Sheffield thru Dec. 21 for cable relocation. Download Document

Extended partial alley closure and reroute 5600-5648 N Winthrop, 1111 W Hollywood, 1114 W Bryn Mawr, 5643 N Broadway 12/06/2023

The alleys will partially close at all times thru April 1 for Bryn Mawr station foundation construction. Download Document

Red-Purple Line between W Newport and W Cornelia; alleys 947-957 W Cornelia, 3433-3457 N Sheffield, 946-956 W Newport 12/04/2023

Crews will periodically block the alley adjacent to the CTA Tracks when mobilizing equipment and materials; general construction noise during work hours 7am-7pm weekdays and Saturdays thru Feb. 3 for track structure rehabilitation. Download Document

Traffic lane shifts, sidewalk impacts W Foster Ave east/west of CTA tracks 12/04/2023

Traffic lane shifts and sidewalk impacts on W Foster during work hours 6am-7pm thru Dec. 16 for track structure drilled shaft installation. Download Document

Extended street and alley closure W Cornelia, 3443-3457 N Sheffield, 947-957 W Cornelia 12/01/2023

The street and alleys will be closed 7pm Fri 12/1 to 7am Mon 12/4 for cut and throw installation. Download Document

Overnight work construction lot N Wilton 12/01/2023

Continuous, around-the-clock work at the construction lot on N Wilton between W Belmont and W School during work hours 7pm Fri 12/1 thru 4am Mon 12/4 for cut and throw installation. Download Document

Extended street closure W Catalpa at CTA tracks 12/01/2023

W Catalpa at CTA tracks will be closed 24/7 with work hours 6am-7pm thru Dec. 9 for track structure drilled shaft installation. Download Document

Traffic lane shifts, sidewalk closures W Berwyn 11/20/2023

Traffic lane shift and sidewalk closures between the CTA tracks and N Winthrop with work hours 6am-7pm weekdays and Saturdays thru Dec. 16 for station platform drilled shaft installation. Download Document

Traffic lane shifts, sidewalk impacts W Bryn Mawr at CTA tracks 11/16/2023

Traffic lane shifts and sidewalk impacts just east and west of CTA tracks with work hours 6am-7pm weekdays and Saturdays thru Nov. 18 for track structure drilled shaft installation. Download Document

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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

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