Impacts of Traffic Signal Installation at Marginally Warranted Intersections

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University of Texas, Department of Civil Engineering, 1996 - Electronic traffic controls - 169 pages
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This report documents the development of guidelines for the decision whether to install a traffic signal at a marginally warranted intersection. The recommendations are based on field and simulation studies of a number of intersections across Texas which were identified as marginally warranted by various Texas Department of Transportation (TxDOT) districts. The research included both delay and accident studies. The TEXAS simulation model was used for the delay studies. Eight different intersection geometries and twelve generic 24-hour volume patterns representing marginally warranted conditions were simulated.

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Field Studies
Simulation Studies
Accident Studies

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