Phelps Eno, was born in 1858. He was truly an international innovator in the development and
application of traffic engineering. In 1903, for example, he developed the first city traffic code in
the world for New York City and the first traffic plans for New York
City, London, and Paris.
both World Wars he prepared military traffic control codes that were
He designed the rotary traffic plan used in New York and several
Perhaps his chief claim to fame is the endowment and the
incorporation of the Eno Foundation for Highway Traffic Control in 1901
which for many years carried the brunt of foundation activities in
his lifetime he received a B.S. and an honorary M.A. degree from Yale
University and was decorated twice by the French Government.
He was a fellow of the New York Academy of Sciences and the
author of eight books on traffic translated into four languages.