Image courtesy of the ChicagoTransit Authority The Chicago Transit Authority has broken ground on the 5.5-mile Red Line extension, which is touted as the largest capital project in the agency's history. After nearly 60 years of discussion, Chicago has broken ground on the $5.7-billion Red Line Extension planned to provide rapid rail transit to the city’s far south side and touted as the largest capital project in the Chicago Transit Authority’s (CTA) history. The extension will cover 5.5 miles from 95 th Street to 130 th Street and will include the construction of four new Red Line stations at 103 rd , 111 th , Michigan and 130 th streets.…