Chicago Transit Authority Trains

The CTA is the operator of the extensive rapid transit system in Chicago, Illinois, known for its "L" (elevated) trains.

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Live Chicago Transit Authority Train Map

Below is a map of trains in the Chicago Transit Authority network and their current positions. Click the train icon for more information. Data is updated every minute.

About Chicago Transit Authority

The Chicago Transit Authority (CTA) operates the "L" train network, which is the city's rapid transit system and one of the largest in the United States. As of 2014, the network spans 102.8 miles with several lines covering both the city of Chicago and its suburbs. It uniquely features a mix of elevated, subway, and ground-level tracks. The system, known for its distinctive "L" (short for "elevated") trains, is crucial for commuting within the city and its surrounding areas, offering both regular and 24-hour services on some lines. The CTA's network has been pivotal in the development and growth of Chicago's dense city core.

Chicago Transit Authority History

The origins of Chicago's "L" train system date back to 1892, making it the second-oldest rapid transit system in the Americas. Over the years, it has expanded considerably, fostering the growth and development of Chicago's urban landscape. The system has been managed by the Chicago Transit Authority since its inception and has evolved into an extensive network with multiple lines and stations, connecting various parts of the city and suburbs. The "L" has been recognized for its role in shaping the city's dense core and is considered one of the "seven wonders of Chicago"​​.