Chicago Orange Line Adapts Service During Track Work

CTA Orange Line operates on single track between Kedzie and Midway, causing delays

Orange Line Adds Single-Track Service

Orange Line riders face boarding changes and minor delays as trains operate on a single track between Kedzie and Midway stations, Chicago Transit Authority officials said Monday. The high-severity alert affects the southern portion of the 13-mile line that serves approximately 25,000 weekday riders. Officials haven't specified what's causing the single-track operation or how long it'll last.

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Background on Single-Track Operations

Single-tracking is a standard procedure transit agencies use during maintenance, construction, or emergency repairs when one track must be taken out of service, according to federal transit guidelines. The Orange Line opened in 1993 as one of CTA's airport connector routes, linking downtown Chicago's Loop to Midway International Airport through 18 stations. The CTA has been conducting ongoing infrastructure improvements across the system, though officials didn't say whether this single-track operation is related to planned maintenance work. Transit agencies typically implement single-tracking to allow crews to safely work on tracks, signals, or other rail infrastructure while maintaining service.

Service Impact Details

Trains traveling in both directions will share the same track between Kedzie and Midway, creating longer wait times as trains must alternate using the single available track. Passengers should expect boarding platform changes at affected stations, transit officials said. The CTA alert indicates riders should expect minor delays but doesn't provide specific time estimates for how much longer trips will take. Officials recommend allowing extra travel time and paying close attention to station announcements and digital signage, as platforms may differ from usual boarding locations.

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Timeline and Duration

The service change took effect July 7, according to the transit agency's alert system. Officials haven't announced when normal two-track operations will resume or provided an estimated duration for the disruption. The CTA typically updates service alerts as situations develop, but additional details about the timeline weren't immediately available.

What Riders Need to Know

Passengers traveling between Kedzie and Midway should plan for longer trip times and watch for platform changes at affected stations. Officials said riders should consider alternative routes if possible during the single-track period, though they didn't specify which routes might serve as alternatives. The number of riders affected by the disruption wasn't available. Moovit provides real-time Orange Line updates and can help passengers plan trips accounting for the service changes.