Construction Contracts Awarded for Chicago Transit Authority's Largest Project Ever

A flyover to clear a bottleneck of trains serving the Red, Brown, and Purple lines is a key component of the massive modernization project planned by the Chicago Transit Authority.

1 minute read

December 13, 2018, 8:00 AM PST

By James Brasuell @CasualBrasuell


CTA STation

D Guest Smith / Shutterstock

"The CTA board on Wednesday approved contracts for the largest and costliest construction project in CTA history: the massive $2.1 billion Red and Purple Line modernization," reports Mary Wisniweski.

"The board also approved a contract for preliminary work on an even larger project: the proposed $2.3 billion extension of the Red Line from 95th Street to 130th Street," adds Wisniweski.

The Red and Purple Line modernization project is expected to begin in fall 2019 and wrap up in 2025. Wisniweski includes the details of thwt exactly the CTA will be building for the project. Planetizen has been following the planned modernization project since it was first announced in 2014. Here are some of the highlight moments for the project on the path to this week's news.

As for the Red Line extension project, Wisniweski explains that the contract approved this week will allow for environmental reviews and preliminary engineering work. The CTA has not determined how it will pay for whatever plan emerges from these early efforts.

Wednesday, December 12, 2018 in Chicago Tribune

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Cover CM Credits, Earn Certificates, Push Your Career Forward

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

June 11, 2025 - Diana Ionescu

Metrorail train pulling into newly opened subterranean station in Washington, D.C. with crowd on platform taking photos.

Congressman Proposes Bill to Rename DC Metro “Trump Train”

The Make Autorail Great Again Act would withhold federal funding to the system until the Washington Metropolitan Area Transit Authority (WMATA), rebrands as the Washington Metropolitan Authority for Greater Access (WMAGA).

June 2, 2025 - The Hill

Large crowd on street in San Francisco, California during Oktoberfest festival.

The Simple Legislative Tool Transforming Vacant Downtowns

In California, Michigan and Georgia, an easy win is bringing dollars — and delight — back to city centers.

June 2, 2025 - Robbie Silver

Man in teal shirt opening door to white microtransit shuttle with cactus graphics and making inviting gesture toward the camera.

Albuquerque’s Microtransit: A Planner’s Answer to Food Access Gaps

New microtransit vans in Albuquerque aim to close food access gaps by linking low-income areas to grocery stores, cutting travel times by 30 percent and offering planners a scalable model for equity-focused transit.

June 13 - U.S. Department Of Transportation

Group of people at table set ouf with picnic food on street during a neighborhood block party.

This City Will Pay You to Meet Your Neighbors

A North Kansas City grant program offers up to $400 for residents to throw neighborhood block parties.

June 13 - The Kansas City Star

Crowd gathered with protest signs on April 5, 2025 on steps of Minnesota state capitol protesting Trump cuts to social security and other federal programs.

Commentary: Our Silence Will Not Protect Us

Keeping our heads down and our language inoffensive is not the right response to the times we’re in. Solidarity and courage is.

June 13 - Shelterforce Magazine