Priority Congested Centers

سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 748

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تاریخ نمایه سازی: 13 مرداد 1394

چکیده مقاله:

Keeping the density of traffic flow and air pollution in an acceptable level and developing a good capacity for transit in the high priority areas of the city, is really a big deal in large and crowded cities. To address this problem, a new method of intersection signal optimization is presented in this paper. Based on network fundamental diagrams, an Internal–External Traffic Metering Strategy ) IETMS) is developed for controlling density of traffic in high priority areas globally. Protecting the network from gridlock, optimizing the queue ratios in entrance arterials and utilizing the reserved capacity are the main objectives of the problem. The methods of mixed integer linear programming and quadratic programming are used for solving the problem. A traffic simulator software (VISSIM) has been used for simulation in which the coded program is developed inVISSIM-COM interface. Finally the model is applied in a part of urban network of Tehran, Iran. The results show that redistributing of traffic density in the whole network and protecting high density areas from gridlock can efficiently improve traffic flow measurement in high priority areas.


Shahriar Afandizadeh Zargari

Associate Professor, , Department of Civil Engineering, Iran University of Science and Technology, Terhan, Iran

Nazli Dehghani

Ph. D. Candidate, Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran

Gholamreza Moraveji

Ph.D. Grad., Department of Industrial Engineering, Tarbiat Modares University, Tehran, Iran