Estimating Corridor Travel Time Using Point and Probe Detector Data
William Eisele
Broschiertes Buch

Estimating Corridor Travel Time Using Point and Probe Detector Data

Implications for Emerging Intelligent Transportation Systems Data Sources and Performance Measurement

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Accurate estimation of travel time is increasingly important for transportation system operators. Travel times are estimated indirectly by using instantaneous speeds from point detectors (e.g., inductance loops, radar), and making a number of assumptions. Travel times also may be obtained from probe data obtained from automatic vehicle identification (AVI) systems (e.g., toll tags), global positioning systems (GPS), and cell phones. In this book, Dr. Eisele examines various methods of estimating corridor travel time mean and variance using link travel times derived from point and/or probe data...