CTA Red and Purple Modernization Phase 1

This signalling upgrade in United States, deploying CBTC. The line uses 750 V DC third rail electrification, CBTC signalling and 1435 mm standard gauge. Chicago Transit Authority is delivering the pro USA Los Angeles Metro D Line Extension · Brightline West (Las Vegas – Rancho Cucamonga High-Speed Rail) · USA Phoenix Valley Metro Extension · MTA New York · AECOM · News

CTA Red and Purple Modernization Phase 1 is a rail upgrade project in United States, currently operational.

This signalling upgrade in United States, deploying CBTC. The line uses 750 V DC third rail electrification, CBTC signalling and 1435 mm standard gauge. Chicago Transit Authority is delivering the project, with Walsh-Fluor JV and Power Construction as main contractors. It opened in 2025, with an investment of USD 2.1 bn.

Construction began in 2019 and the project opened in 2025.

The project has an estimated investment of $2.10B.

Country
United States
Status
Operational
Investment
$2.10B
Opened
2025