ITE Journal - March 2020 - 39

INDUSTRY UPDATE

Traffic Signal
Benchmarking
AND

State of the
Practice Report
By Douglas E. Noble, P.E., PTOE (F)
The design, operation, and maintenance of
traffic signals directly influence how safely
and efficiently the needs of pedestrians,
bicycles, and vehicles are served as they
traverse the estimated 328,000 signalized intersections in
the United States. State and local agencies have collectively
invested an estimated $122.4 billion USD in the planning, design and
construction of signalized intersections. The estimated ongoing
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annual operating and maintenance expenditure is about $1.23
billion USD, with an annual additional capital program investment of
$763 million USD. The responsibility for traffic signals begins at the
state level and is frequently delegated to local agencies by state departments of
transportation, resulting in more than 3,000 jurisdictions involved in some level
of traffic signal management and operation.
w w w .i t e.or g

M a rch 2020

39


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ITE Journal - March 2020

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