The Loop, Train station circuit in Chicago, United States
The Loop forms a 1.79-mile elevated railway track that encircles the central business district of Chicago with steel and wooden infrastructure.
The construction of the Union Loop, completed in 1897 by engineer John Alexander Low Waddell, transformed Chicago's downtown into a major transportation center.
The elevated railway system connects multiple Chicago neighborhoods, enabling residents to access theaters, museums, and cultural institutions within the business district.
Trains run counterclockwise on the circuit, serving as transfer points between different lines at Clark/Lake, State/Lake, Washington/Wabash, and Harold Washington Library stations.
The railway structure includes 9.1 miles of track built upon 2000 steel support columns, making it the largest elevated transportation system in North America.
Location: Chicago
Inception: 1897
Architects: John Alexander Low Waddell
Official opening: September 6, 1897
Made from material: steel, wood
Part of: Chicago "L"
GPS coordinates: 41.88000,-87.64640
Latest update: May 27, 2025 08:43
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