Image Collection 2315 Items Subway Construction Photograph Collection, Independent City Lines. Route 106, 1928-1936 The 2,315 Independent Subway System (IND) Route 106 photographs show construction of the Concourse Line (the B train and D train) from West 155th Street in Manhattan to East 205th Street in the Bronx. The route covers the following sections: Section 1, St. View Collection