A medical emergency on the tracks disrupted Chicago Transit Authority Red and Purple line service from Lakeview to Rogers Park on the city’s North Side early Wednesday.
The CTA said an unspecified medical emergency at the Berwyn Avenue stop in Edgewater prompted the shutdown of service on both lines from Belmont to Howard during the morning rush Tuesday. Shuttle buses were put into service in both directions.
By 9 a.m., trains were running again, but were not stopping at Bryn Mawr, Berwyn, Argyle, or Lawrence…