Evaluation of measured travel time utilizing two-way communication in UTMS

UTMS (Universal Traffic Management Systems) totally manages and controls traffic flow to make it safe and smooth, and utilizes a two-way infrared communication between the infrastructure and vehicles carrying infrared vehicle detectors. Using these functions, UTMS can measure travel time by matching vehicle identification numbers, which are received as up-link information from infrared vehicle detectors. In order to evaluate the validity of this system, a UTMS Experiment was conducted in main routes in Kanagawa Prefecture, Japan. Considering the results of these evaluations, travel time using up-link information from in-vehicle units to infrared vehicle detectors was confirmed to be useful and effective for practical use.