Chicago Transit Authority Logo
The current logo for the Chicago Transit Authority.
The Chicago Transit Authority, also known as the CTA, is the operator of mass transit in Chicago, Illinois and some of its surrounding suburbs, including the trains of the Chicago “L” (elevated railway) and CTA bus service.
The CTA operates 24 hours each day and on an average weekday provides 1.7 million rides on buses and trains. It has approximately 1,800 buses that operate over 140 routes traveling along 2,230 route miles (3,658 km). Buses provide about one million passenger trips a day and serve more than 12,000 posted bus stops in 10 suburbs. The CTA’s 1,450 train cars operate over eight routes and 222 miles (357 km) of track. Its trains provide about 750,000 customer trips each weekday and serve 144 stations in Chicago and seven suburbs.
Currently, the CTA operates within Chicago and the bordering suburbs of Forest Park, Evanston, Skokie, Oak Park, Summit, Cicero, Berwyn, North Riverside, Rosemont, and Wilmette.
Information Source : Wikipedia