Henry Barnes

Henry Barnes a prominent traffic engineer and administrator of the 20th century, serving in many cities, including Denver, Colorado, Baltimore, Maryland, and New York, New York. Barnes is responsible for many innovations in applied traffic engineering. including the Green Wave of coordinated traffic signals and the application of actuated traffic signals (signals set off by the presence of an automobile or a pedestrian pushing a button).

The Barnes Dance began in Denver, Colorado in the late 1940s, and was adopted in other cities. The Barnes Dance is actually a street-crossing system that stops all traffic and allows pedestrians to cross intersections in every direction at the same time.

As a traffic commissioner in New York in 1962 Henry Barnes tangled with Robert Moses and killed the planned elevated cross-town highway. 

He wrote the autobiography The Man with the Red and Green Eyes.