Unidentified tunnel.
Unidentified track tunnel.
Unidentified subway tracks.
Southbound express tunnel.
Unidentified street.
Sea Beach Line right-of-way at 21st Avenue.
Sea Beach Line, Avenue R.
Sea Beach Line, 11th Avenue.
Sea Beach Line and Long Island Railroad cut, northwest to near 11th Avenue.
Sea Beach Line at 19th Avenue.
Unidentified railroad tracks.
Ring #97 Northbound Express tunnel.
Unidentified elevated railroad platform.
Sea Beach Line and Long Island Railroad cut, north to 9th Avenue.
Central Avenue bridge.
Sea Beach Line and Long Island Railroad cut, north near 11th Avenue.
Vernon Avenue.
Church Street.
Subway tunnel construction at Lexington Avenue and 97th Street.