The Grand Street Shuttle (black ) was a New York City Subway service that operated during the long Manhattan Bridge rehabilitation, while the north tracks (connecting to the IND Sixth Avenue Line via the Chrystie Street Connection) were closed. It usually ran between Broadway–Lafayette Street and Grand Street, picking up the slack from rerouted B and D service. Service disruptions that took the Manhattan Bridge north tracks out of service, with the shuttle running between Broadway–Lafayette Street and Grand Street, included the following: