Unidentified subway tracks.
Ring #97 Northbound Express tunnel.
Unidentified elevated railroad platform.
Sea Beach Line right-of-way at 21st Avenue.
Sea Beach Line at 19th Avenue.
Unidentified track tunnel.
Northern section of land tunnel.
West Broadway, north of Thomas Street.
Construction on East 42nd Street.
8th Avenue and West 115th Street.
53rd Street, near Lexington Avenue.
59th Street and 6th Avenue.