Chicago Route 157 Detours — Service Adapts Near Pulaski-21st

CTA reroutes eastbound Route 157 buses around Pulaski-21st intersection starting January 16

2026-01-16, Moovit News Team

Route 157 Detours East of Pulaski-21st

Chicago's CTA rerouted eastbound Route 157 buses away from the Pulaski and 21st Street intersection, transit officials said Thursday. The temporary detour affects riders who typically board near that location, though officials haven't specified how many stops are impacted or provided alternative boarding locations. The change took effect January 16 and may add time to trips for regular commuters in the area.

Background

The detour addresses conditions at the Pulaski-21st intersection that require buses to use an alternate path, according to the transit agency. CTA classified the change as high-severity, indicating significant impact on regular riders. Officials said the reroute maintains service continuity while work or conditions at the intersection are addressed, though specific details about what's causing the detour weren't available. Transit agencies typically implement temporary detours for construction, street repairs, or safety concerns that make normal routing impractical.
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Service Details

The detour affects only eastbound Route 157 buses near Pulaski and 21st Street, officials confirmed. Westbound service continues on its regular route, and other parts of the route remain unchanged. The agency hasn't said which streets buses are using during the detour or how many stops are temporarily relocated. Officials said riders should look for temporary stop signs along the detoured path, but didn't provide a map showing the alternate routing or specify how much additional travel time riders should expect.

Timeline

The temporary reroute began January 16, but officials haven't announced when normal routing will resume. The transit agency typically provides updates as conditions change, though a timeline for resolving the situation at Pulaski-21st wasn't available. CTA said the detour will remain in effect until the intersection can safely accommodate buses again.
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Rider Impact

Passengers who board near Pulaski-21st should allow extra travel time and watch for temporary stop locations along the detoured route. Officials recommend checking for updates before traveling, as conditions may change. Moovit provides real-time bus locations and updated routing information for CTA Route 157 during the detour period.