The 170th Street station is a local station on the IND Concourse Line of the New York City Subway, located at the Grand Concourse between East 170th and 171st Streets in the Highbridge neighborhood of the Bronx. It is served by the D train at all times except rush hours in the peak direction and the B train during rush hours. The station opened in 1933, along with the rest of the Concourse Line.

The Concourse Line is an IND rapid transit line of the New York City Subway system. It runs from 205th Street in Norwood, Bronx, primarily under the Grand Concourse, to 145th Street in Harlem, Manhattan. It is the only B Division line in the Bronx, and also the only line in the Bronx with all stations underground.