Modeling Traffic Congestion with Spatiotemporal Big Data for An Intelligent Freeway Monitoring System

09/15/2019 ∙ by Karisma Trinanda Putra, et al. ∙ 0

Traffic congestion is a complex, nonlinear spatiotemporal modeling problem. By collecting and analyzing a vast quantity and different categories of information, traffic flow, and road congestion can be predicted and controlled on an intelligent transportation system. This report provides an analysis of traveling time across Taiwan from North to South, vice versa. We analyze traffic in a national freeway between Tainan and Kaohsiung section, which represents the common trip of the population in Southern Taiwan. The data is recorded using the Electronic Toll Collection System (ETC) provided by Ministry of Transportation in Taiwan. We use MapReduce framework to process data into a smaller task which can be distributed on several computer clusters to speed up the process. The results show that the spatiotemporal model of traffic flow is strongly influenced by direction, working hour, and holidays with a recurring pattern for each week. The distinctive pattern inside the spatiotemporal dataset can be used on an AI-powered decision-making system for future development.



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