Staten Island
American Dock Co.

Staten Island
Richmond Railways

Bronx
Union Railway

Elmhurst (Queens)

New York & Queens County Railway Co.

Manhattan
Second Avenue Railroad Co.

Manhattan
Fourth Avenue Horse car line

Manhattan
Fourteenth Street Horse car line

Manhattan
Second Avenue Railroad

Manhattan
South Ferry Horse car line

Manhattan
Manhattan & Queens Traction Co.

Manhattan
Manhattan Bridge

Manhattan
Metropolitan Street Railway

Manhattan
New York Railway
(The Green Line)

Metro North Railroad

New York City Transit Museum

New York City Transit System

New York, Westchester & Boston

Queens
Steinway Lines

Queensborough Bridge

Yonkers
Third Avenue Transit System

Staten Island Rapid Transit page is here

Third Avenue Railways page is here

Subways & elevated systems
BMT Division

IND Division

IRT Division

Third Avenue Elevated