Image Collection 3494 Items Subway Construction Photograph Collection. Contract Three. Route 4 & 38, 1914-1921 (bulk 1914-1915) The 3,496 Contract Three, Route 4 & 38 photographs show the construction by the Interborough Rapid Transit Company (IRT) of the Broadway–Seventh Avenue Line from Times Square to Chambers Street (the 1 train, 2 train, and 3 train) and from Chambers Street to South Ferry in Manhattan (the 1 train). View Collection