Subway, History, Transportation, Cities, & Facts

Subway, underground railway system used to transport large numbers of passengers within urban and suburban areas. Subways are usually built under city streets for ease of construction, but they may take shortcuts and sometimes must pass under rivers. Outlying sections of a system usually emerge

History of the New York City Subway - Wikipedia

New York to install surveillance cameras in every subway car

History of Rapid Transit - Invention of Rapid Transit and Subways

History of NYC subway cars, from steam engines to open-gangway

New York City subway opens, October 27, 1904

History of NYC subway cars, from steam engines to open-gangway

New York's Incredible Subway

CTA Facts at a Glance - CTA

The Oldest Subways in the World - Civitatis

A short history of world metro systems – in pictures

The Most Fascinating Abandoned Subway Stations in NYC - Thrillist