Chicago Orange Line Upgrades Track for Better Service

CTA Orange Line to use single track between Western and Pulaski stations starting Sept 15

CTA Orange Line Adds Single-Track Operation

Chicago's Orange Line will operate trains on a single track between Western and Pulaski stations starting September 15, transit officials said. The temporary change affects two stations on a line that carries about 25,000 riders on an average weekday. Officials haven't announced when normal two-track operations will resume.

Background on Maintenance Work

The single-track operation is necessary for planned maintenance work, according to the Chicago Transit Authority. The CTA described the work as planned maintenance but didn't specify the exact nature of the track work. Transit agencies typically use single-tracking to perform necessary repairs while maintaining service, a practice common across urban rail systems. The Orange Line opened in 1993 and connects downtown Chicago to Midway Airport, serving 16 stations across the city's South and Southwest sides.

Service Impact Details

Trains traveling in both directions will share one track between the two stations, resulting in boarding changes throughout the affected segment. The CTA indicated passengers should expect minor delays but didn't specify expected delay times. Riders may need to board from different platforms than usual during the single-track operation. The agency classified this as a high-severity alert, though the cost of the maintenance work hasn't been disclosed.

Implementation Timeline

The single-track operation begins September 15, 2025, according to the transit agency's service alert system. The CTA hasn't announced when normal two-track operations will resume or provided a timeline for completing the maintenance work. Officials said conditions and schedules may change based on the progress of the planned work.

Rider Information

Passengers traveling through the Western to Pulaski corridor should allow extra time for their journeys and listen for platform announcements. Transit advocacy groups and union representatives haven't yet issued public statements about the service change. Riders can check Moovit for real-time Orange Line updates and service alerts as the implementation date approaches.