Traffic signal operations handbook workshop series : final report.
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2011-10-01
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Alternative Title:Project title: Traffic signal operations handbook workshop
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Edition:Technical report; Sept. 2009-Aug. 2011.
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Abstract:The Texas Department of Transportation (TxDOT) operates thousands of traffic signals along state highways
in the state of Texas. The operation of these signals is the responsibility of the TxDOT districts in which they
are located. This local operation serves Texas motorists well, but it has also resulted in differences in
practice across the state. TxDOT research project 0-5629 developed the Traffic Signal Operations Handbook
to (1) provide a uniform basis for signal operation throughout the state and (2) identify cost-effective
procedures for maintaining safe and efficient signal operation.
This report documents the development and conduct of a two-year series of workshops to share information
with TxDOT engineers and technicians regarding the cost-effective design and operation of signalized
intersections. Information in the Handbook was used as the basis for the workshop. The workshop was one
day in length and was offered at six venues in Texas. Workshop topics include basic signal controller timing,
coordination timing, signal phasing, rail preemption, detection design, and diamond interchange timing. The
workshop participants applied the Handbook guidelines in several examples using a spreadsheet program
called the Texas Signal Coordination Optimizer (TSCO).
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