A Model for Evaluating the Benefits of ITS Projects in the Field of ATIS

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Article/Study Title: A Model for Evaluating the Benefits of ITS Projects in the Field of ATIS

Authors: Dr Israel Feldman of Afeka College for Engineering, with the participation of Erel Avineri, Jay Kaplan, Dov Ganor and Salim Nimeri

Client: Ministry of Transportation and Roads Safety

Abstract: The goal of the research program was to develop a methodology for assessing the benefits of ITS project in the field of providing real-time information to drivers (ATIS – Advanced Traffic Information Systems). The research was conducted based on traffic data from Waze users. The research assessed the time savings benefit for Waze users and the secondary system-wide benefit to non-users. The research compared actual travel times for origin-destination pairs according to Waze data to optimal travel times for the given real-time traffic conditions. Traffic model macro-simulations allowed for the evaluation of the effect of diversion of ATIS user traffic on the travel times of all travelers. The monetary implication of travel time saving benefits wer calculated according the Ministry of Transport guidelines of economic feasibility evaluations. The principal findings of the research are as follows: 1. Most of the benefits of ATIS result from the travel between a limited number of origin-destination pairs. Most of the benefits are in the center of the country. 2. Expanding the use of ATIS can result in substantial economic benefits. For example, expanding the user base of Waze from the current 10% to 40% is expected to result in an annual savings of 35 million hours at a value of NIS 690 million. 3. The research indicated that significant adjustments are needed in the volume-delay functions which are used in the macro-simulation model for economic feasibility studies.

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