Coney Island and Brooklyn Railroad

The Coney Island and Brooklyn Railroad was originally a horsecar line in Kings County, New York (now the borough of Brooklyn in New York City).

The original line ran from the Boulevard entrance of Prospect Park (Park Circle) to Coney Island. It was the first railroad of any kind to reach Coney Island. The CI&B connected to other lines to bring people from Brooklyn (then a city) and from New York City (then meaning Manhattan) to its service to Coney Island. It began operating service along the Smith Street Line to Fulton Ferry in June 1862, so that the line was commonly called the "Smith Street Line". It was also known as the "Slocum Road" after its president, Henry Warner Slocum, a Civil War general and New York congressman. Slocum's name is also associated with the steamboat General Slocum, involved in a disastrous fire on the East River.

Most of the route operated alongside the Coney Island Plank Road, now Coney Island Avenue. In 1890, in order to compete better with the steam railroads that had been opened to Coney Island beginning in 1864, the CI&B became the first horsecar line in Kings County to electrify, using trolley wire.

The CI&B acquired the Grand Street, Prospect Park and Flatbush Railroad (Franklin Avenue Line) in the early 1890s, and leased the Brooklyn City and Newtown Rail Road (DeKalb Avenue Line) in 1897.

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