United States Department of Transportation
[PDF-739.23 KB]
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Alternative Title:Operating guidelines for Texas DOT ramp control signals;Operating guidelines for Texas Department of Transportation ramp control signals;Ramp control signals;
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Abstract:The Texas Department of Transportation (TxDOT) currently maintains a Traffic Signals Manual.
Originally published in 1999, this manual provides a guide and reference for handling requests
for traffic signals on the designated State Highway System, including installations financed by
federal funds and installed on the numbered State Highway System. It describes the steps
necessary for installing a traffic signal, from project inception through construction and final
disposition of records. It contains five chapters: Introduction, Requests for Traffic Signal,
Traffic Studies, Operational Considerations, and Traffic Signal Projects. It also contains two
appendices: one that contains the forms necessary to warrant and install a traffic signal on
TxDOT roadways and another for determining the need for traffic control at school crossings.
The manual is available online at http://onlinemanuals.txdot.gov/txdotmanuals/tff/index.htm.
The following information is a product of TxDOT Research Project 0-5294 Warrants for
Installing and Operating Ramp Metering. It provides guidelines for installing, operating, and
maintaining ramp control signals on TxDOT roadways. These guidelines were written with the
intent of becoming a new chapter in TxDOT’s Traffic Signals Manual.
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