The Carthage, Watertown and Sackets Harbor Railroad opened in 1875. It was built within the village of Sackets Harbor on the railbed of the former Sackets Harbor and Ellisburg Railroad. Incorporated into the New York Central Railroad in 1893. It ceased operating in 1949. It went from Sackets Harbor eastward to join the Rome, Watertown and Ogdensburg Railroad at Watertown.
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Carthage, Watertown and Sackets Harbor Railroad Wikipedia(Text) CC BY-SA