Chicago and South Side Rapid Transit Railroad
| Company type | Private |
|---|---|
| Industry | Public transportation |
| Founded | January 4, 1888 |
| Fate | Merged into Chicago Rapid Transit Company in 1924 |
| Successor | Chicago Rapid Transit Company |
| Headquarters | Chicago , United States |
| Products | Elevated rapid transit rail service |
The South Side Elevated Railroad, originally known as the Chicago and South Side Rapid Transit Railroad, was Chicago's inaugural elevated rapid transit system, running from the downtown area to Jackson Park, with additional branches extending to Englewood, Normal Park, Kenwood, and the Union Stock Yards. The first segment, spanning 3.6 miles, commenced operations on June 6, 1892. Much of its infrastructure now constitutes a key portion of the present-day Green Line within Chicago's "L" network.
This enterprise was instrumental in shaping Chicago’s transit landscape by introducing elevated rail technology and enhancing urban mobility. Its growth strategy emphasized swift network expansion and alignment with urban development, culminating in a 1924 merger into the Chicago Rapid Transit Company. This consolidation strengthened market dominance and improved operational effectiveness across the region’s transit services.
Chicago and South Side Rapid Transit Railroad
The Chicago and South Side Rapid Transit Railroad Company was founded on January 4, 1888, obtaining a city franchise on March 26 to build an elevated railway stretching from Van Buren Street to 39th Street (Pershing Road). The franchise mandated construction along an alley-adjacent right of way between Van Buren and 37th Street, which led to the line being colloquially dubbed the "alley L".
In April 1892, city authorities approved extending the line southward to 71st Street, followed by an additional extension along 63rd Street authorized in April 1893. The projected construction expenses were approximately $6.75 million.
The first trial run took place on May 27, 1892, covering the route between a station at 39th Street and the Congress Terminal downtown, transporting 300 invited passengers on a six-car train. Public operations began ten days later. The initial journey covered 3.6 miles in 14 minutes with a fare set at five cents. By May 12, 1893, service had reached Jackson Park to accommodate visitors attending the World's Columbian Exposition.
The rolling stock consisted of 46 Forney-type (0-4-4T) steam locomotives manufactured by Baldwin Locomotive Works in Philadelphia, along with 180 wooden passenger cars each measuring 46 feet in length. The first batch of twenty locomotives arrived together as a single train in April 1892.
Operating around the clock gave the South Side Elevated a competitive edge over Chicago’s cable railways, which required nightly closures for maintenance. After midnight, two trains ran every twenty minutes, while during peak periods eighteen trains maintained intervals of three minutes between departures.
Bankruptcy and takeover
After the conclusion of the World's Columbian Exposition, passenger traffic declined sharply due to reduced development along the southern corridor. The Chicago and South Side Rapid Transit Railroad Company entered receivership in 1895 and was sold through foreclosure in September 1896 for $4,100,100. The South Side Elevated Railroad was formed in 1897 to take over operations of the line.
In October 1897, service expanded into the newly constructed Union Loop, connecting the South Side Elevated Railroad with the Lake Street, Metropolitan West Side, and subsequently Northwestern Elevated Railroads. To unify operations, Frank Julian Sprague was engaged by the South Side Elevated Railroad to electrify its fleet using his pioneering multiple-unit train control (MU) system, making it the first railroad globally to adopt MU technology.
Branches
To meet the demands of increasing passenger numbers, several extensions were developed: a 3-mile spur to Englewood was inaugurated between 1905 and 1907; the Normal Park branch, spanning 0.9 miles, commenced operations in 1907; and additional lines to Kenwood and the Union Stock Yards—utilizing tracks of the Chicago Junction Railroad—were introduced in 1907 and 1908, respectively.
Consolidation
In 1913, the four elevated rail companies in Chicago established the Chicago Elevated Railways Collateral Trust to streamline cross-city transit services. This partnership eventually led to their official unification into the Chicago Rapid Transit Company (CRT) in 1924. The Chicago Transit Authority (CTA) took over CRT’s operations in 1947. Following this, the Normal Park branch was closed in 1954, with the Kenwood and Stock Yards branches ceasing service in 1957. A significant portion of the original South Side Elevated Railroad line continues to operate today as part of the CTA Green Line.