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Urban transportation is very important for economy development of a city, and accurate and effective overall traffic status in an area provides the basis for transportation application service. This paper proposes a novel model-OTCEM, evaluating urban overall traffic condition effectively. In this model, a regional transport evaluation index is developed. Through the model, the trends of normal transport...
Large activities as an important event, its influence on urban traffic can't be neglected. In this paper, the core problem is to study the effect of large activities on urban traffic. A novel traffic evaluation parameter is developed first and urban traffic effect model for large activities is proposed. Through analyzing the Float Car Data (FCD), the researchers developed the base parameter to evaluate...
Recently, the Float Car technology is playing a more and more important role in real-time traffic service systems because it can collect real-time traffic information with low cost, high coverage and high efficiency. Meanwhile, the ability to accurately predict travel times in transportation networks is becoming a critical component for many Intelligent Transportation Systems. This paper focuses on...
Travel time is widely used to measure the effectiveness of transportation systems and becoming one of the most popular traffic information which travelers are interested in. The ability to accurately predict travel time in transportation networks is a critical component in advanced traveler information system (ATIS). This paper focuses on large-scale travel time prediction for urban arterial roads...
Nowadays Float Car Data (FCD) is playing an important role in real-time traffic information systems. However, traffic signal control in urban road network will cause random delay on float cars, and this kind of delay will result in considerable fluctuation of travel time. Thus, the accuracy of FCD system is seriously affected. In this paper, float car refining models are proposed to calculate the...
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