Elevated station at Beach 59th Street, Averne, Rockaway, Queens, undated (ca. December 1918). Photographed for Joseph P. Day.

Burnside Avenue el station on the Francis T. Lord estate (Grand Concourse, Jerome Avenue, between 180th and 181st Streets and adjacent), Bronx, undated (ca. June 1919). Photographed for Joseph P. Day.

High angle shot of Van Cortlandt Park crowds at 242nd Street subway station, Bronx, June 7, 1914. Photographed for Joseph P. Day.

High angle shot of Van Cortlandt Park visitors getting on a trolley near the 242nd Street subway station, Bronx, June 7, 1914. Photographed for Joseph P. Day.

Pedestrians at the 242nd Street subway station entrance, Bronx, June 7, 1914. Photographed for Joseph P. Day. Trolley also visible.

Van Cortlandt Park crowds at 242nd Street subway station, Bronx, June 7, 1914. Photographed for Joseph P. Day.

People entering and exiting the 242nd Street subway station, Bronx, June 7, 1914. Photographed for Joseph P. Day.

Unidentified upper Manhattan elevated subway station, undated (ca. 1916).

Unidentified upper Manhattan elevated subway station, undated (ca. 1916).

Elevated station at Sixth Avenue and W. 8th Street, New York City, December 29, 1926.

Subway construction near Greenwich Avenue near West 12th Street, New York City, April 18, 1926.

Subway construction near 88-86 Greenwich Avenue and West 12th Street, New York City, April 18, 1926.

Construction at the base of the Woolworth Building, Park Place elevated, New York City, March 20, 1915.

Park Place, looking west towards elevated train station, New York City, March 18, 1915.

Intervale Avenue elevated train station on Westchester Avenue, Bronx, undated (ca. October 1919).

Night view of elevated subway station and unidentified street on the Lower East Side, New York City, undated (ca. June 1917). Vendors' carts stowed for the night.

Night view of the Loew's Avenue B Theatre, New York City, undated (ca. June 1917).

167th Street elevated subway station, Bronx, undated [ca. August 1918]. Probably photographed for the Interborough Rapid Transit Company.

170th Street elevated subway station, Bronx, undated [ca. August 1918]. Probably photographed for the Interborough Rapid Transit Company.

View of the Jerome Avenue IRT line looking south from 170th Street to the 167th Street station, Bronx, undated [ca. August 1918]. Probably photographed for the Interborough Rapid Transit Company.

Flag-raising at the IRT 180th Street station, Bronx, December 3, 1918. Photographed for Interborough Rapid Transit.

Flag-raising at the IRT 180th Street station, Bronx, December 3, 1918. Photographed for Interborough Rapid Transit.

Unidentified IRT dispatcher at the Bronx Park station, Bronx, December 3, 1918.

Opening day (?) at the IRT 180th Street station, Bronx, undated [ca. December 1918]. Photographed for Interborough Rapid Transit.