United States Department of Transportation
i
Traffic Optimization for Signalized Corridors (TOSCo) Phase 2 Modeling & Benefits Estimation Final Report – FM 1960
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2022-06-30
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[PDF-20.51 MB]
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Edition:Final Report
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Abstract:This report summarizes the potential mobility and environmental benefits associated with deploying the Traffic Optimization for Signalized Corridor (TOSCo) System on the FM 1960 corridor in Houston, Texas. In this study, researchers integrated the TOSCo infrastructure and vehicle algorithms into a microscopic simulation model to simulate TOSCo performance under normal operating conditions. The researchers estimated performance under different market penetration levels in two different simulation environments. First the research team analyzed various TOSCo settings in a single intersection model of one of the intersections along FM 1960. Next, the team took the best, or revised, settings and the default TOSCo settings to the corridor model for analysis. The researchers found that the TOSCo system reduces the stop delay and the number of stops on an intersection and corridor basis. The simulated TOSCo system reduced total delay per vehicle with the revised settings along the FM 1960 corridor. However, close intersections on the FM 1960 corridor did experience increases in total delay with high TOSCo MPR because of TOSCo entering CREEP early. TOSCo also reduced fuel usage, but increased fuel usage initially because of increased stops of non-TOSCo vehicles. Overall TOSCo reduced stops, stop delay, and total delay in some cases.
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