The Interborough Rapid Transit Company (IRT) was one of three major private transportation companies operating independently before they merged to become the City agency eventually known as the MTA in 1940. This vintage map from 1904 shows the Manhattan-based IRT's subway lines, most of which are still in use today under different monikers.
via r/nyc
Matt Coneybeare
Editor in Chief
Matt enjoys exploring the City's with his partner and son. He is an avid marathon runner, and spends most of his time eating, running, and working on cool stuff.
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