Ramp control signals

PDFTech ReportTTI: 0-5294Ramps (Interchanges)Traffic signsTraffic signalsManualsHandbooksTexasTexas Transportation InstituteBalke, Kevin N.Texas Transportation InstituteTexas. Dept. of TransportationUnited States. Federal Highway AdministrationNTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control DevicesUS Transportation CollectionThe Texas Department of Transportation (TxDOT) currently maintains a Traffic Signals Manual.Originally published in 1999, this manual provides a guide and reference for handling requestsfor traffic signals on the designated State Highway System, including installations financed byfederal funds and installed on the numbered State Highway System. It describes the stepsnecessary for installing a traffic signal, from project inception through construction and finaldisposition of records. It contains five chapters: Introduction, Requests for Traffic Signal,Traffic Studies, Operational Considerations, and Traffic Signal Projects. It also contains twoappendices: one that contains the forms necessary to warrant and install a traffic signal onTxDOT 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 forInstalling and Operating Ramp Metering. It provides guidelines for installing, operating, andmaintaining ramp control signals on TxDOT roadways. These guidelines were written with theintent of becoming a new chapter in TxDOT\ue2\u20ac\u2122s Traffic Signals Manual