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He
was a prolific author having written numerous articles on traffic
behavior and highway safety.
He was a pioneer in the use of photography relating to traffic
matters and invented the "Drivometer," a driver testing
device.
He was a pioneer in applying mathematics to traffic flow.
During
World War I Dr. Greenshields was with the Air Service of the US Army.
He also served as City Engineer of Granville, Ohio and worked
with the Ohio State Highway Department and the Wisconsin State Highway
Commission.
He
taught at the George Washington University for ten years and in 1956
joined the University of Michigan faculty and was Acting Director of the
Transportation Institute there until his retirement in 1966.
He then returned to Washington and was a traffic consultant to
various federal agencies.
Dr. Greenshields received the Matson Memorial Award in 1976. |