Clark was a station

Metro station

A metro station or subway station is a railway station for a rapid transit system, often known by names such as "metro", "underground" and "subway". It is often underground or elevated. At crossings of metro lines, they are multi-level....

 on the Chicago Transit Authority

Chicago Transit Authority

Chicago Transit Authority, also known as CTA, is the operator of mass transit within the City of Chicago, Illinois and some of its surrounding suburbs....

's Howard Line, which is now part of the Red Line

Red Line (Chicago Transit Authority)

The northern terminus of the Red Line is Howard Street in the Rogers Park neighborhood of Chicago , on the City Limits farthest north. The Red Line extends southeasterly on an elevated embankment structure about a half-mile west of the lakefront to Touhy Avenue then turns south along Glenwood...

. The station was located at Clark Street

Clark Street (Chicago)

Clark Street is a north-south street in Chicago, Illinois that runs close to the shore of Lake Michigan from the northern city boundary with Evanston, to 2200 South in the city street numbering system...

 and Roscoe Avenue in the Lakeview

Lakeview, Chicago

Lake View, or Lakeview, is one of the 77 community area of the Chicago, Illinois, located in the city's North Side. It is bordered by West Diversey Parkway on the south, West Irving Park Road on the north, North Ravenswood Avenue on the west, and the shore of Lake Michigan on the east...

 neighborhood of Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

, at what is now the junction between the Red and Brown

Brown Line (Chicago Transit Authority)

The Brown Line starts out in northwest Chicago, at the Kimball and Lawrence Avenue terminal in Albany Park, where there is a storage yard and servicing shop for the trains to the east of the passenger station...

 lines. Clark was situated north of Belmont and south of Addison. Clark opened on June 6, 1900, and closed on August 1, 1949, along with 23 other stations as part of a CTA service revision.