First Traffic Signals

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Colin R. Leech

Aug 29, 1995, 3:00:00 AM8/29/95
Here is a reply from the transp-l mailing list:

Balaji Ramanathan ( writes:
> Hi,
> The ITE Traffic Control Systems Handbook has the following
> paragraph in section 1.4.
> "The first electric traffic signal in the United States was installed
> in Cleveland, Ohio, in 1914. This was followed by the introduction
> of the interconnected signal systems in Salt Lake City in 1917, where
> 6 intersections were manually controlled as a single system. In 1922,
> in Houston, TX, 12 intersections were controlled as a simultaneous
> system from a centrol traffic tower. This system was unique in that
> it used an electric automatic timer."
> ----------------->8 Cut here for Signature! 8<---------------------
> Balaji Ramanathan, |
> Institute of Transportation Studies, | I don't believe in luck!
> University of California, Irvine. | I RELY on it!!

Colin R. Leech |-> Civil engineer by training, transportation |-> planner by choice, trombonist by hobby.
Nepean, Ontario, Canada |-> "I'd like a penny." - Tom Downs, Amtrak.
My opinions are my own, not my employer's. You may consider them shareware.

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