18th Street station is a commuter rail station on the Near South Side of Chicago, at 18th Street near Calumet Avenue. It serves the Metra Electric Line north to Millennium Station and south to University Park, Blue Island, and South Chicago. For many Metra Electric trains, this is a flag stop, and the train will only stop there if specifically requested by a passenger.^[2] As of 2018, 18th Street is the 226th busiest of Metra's 236 non-downtown stations, with an average of 23 weekday boardings.^[1]

This article relies excessively on references to primary sources. (May 2021)

Quick Facts General information, Location ...

18th Street
18th Street station in October 2015.
General information
Location	18th Street near Calumet Avenue Near South Side, Chicago, Illinois
Coordinates	41.85790°N 87.61792°W / 41.85790; -87.61792
Owned by	Metra
Line(s)	University Park Sub District
Platforms	1 island platform
Tracks	4
Construction
Accessible	No
Other information
Fare zone	2
History
Electrified	Overhead line, 1,500 V DC
Passengers
2018	23 (average weekday)[1]  45.2%
Rank	226 out of 236[1]
Services
Preceding station Metra Following station McCormick Place toward University Park, South Chicago or Blue Island Metra Electric Museum Campus/11th Street toward Millennium Station
Former services Preceding station Illinois Central Railroad Following station 23rd Street toward Richton, 91st Street or Blue Island Electric Suburban Roosevelt Road toward Randolph Street
Track layout Legend ME north to Millennium 18th Street pedestrian bridge ME south to University Park, Blue Island, and South Chicago
Location

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The station is also occasionally served by South Shore Line trains from Gary and South Bend, Indiana, on an exceptional basis for Chicago Bears home games during football season. As part of a non-compete agreement with Metra, eastbound South Shore trains can only board passengers at stops along the Metra Electric, and westbound trains can only discharge passengers.

The station was originally built by the Illinois Central Railroad (ICRR). The railroad was first built in 1907.