1. 1- Abbas K. A. (2009) Integrated Programs for Mitigating Traffic Problems in Developing Countries: An In Depth Analysis of Experts Judgment. Advances in Transportation Studies: An International Journal,. University of Rome, Rome, Italy. Under Publication.

Abstract:

This research starts by developing a comprehensive inventory and categorization of demand and supply-based policies and measures that are aimed at relieving traffic problems in metropolitan cities. A set of generic criteria that can be used as a basis for the judgmental assessment of such policies and measures is identified and selected. An attitudinal questionnaire is then designed to elicit the judgment of transport, traffic and highway experts regarding potentiality (efficiency and effectiveness), public acceptability, applicability, perceived cost and priority of implementation of these policies and measures. Appropriate nonparametric statistical tests and techniques are selected and applied to conduct an in depth statistical analysis of gathered expert information. The main purpose of such analysis is to obtain judgment patterns of experts and degree of consensus among them. Statistical analysis is complemented by a weighting procedure to establish the potential achievement rate of each policy and measure and hence to support in making decisions on whether to use and implement such policy or measure in relieving traffic problems. As a result of the analysis, an integrated package of traffic relief policies and measures is recommended for developing countries.

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1. 2- Abbas K. A., Okail O., and Mabrouk I. (1997) A Trio Management Package for Relieving Traffic Congestion in Cairo: Traffic, Travel Demand and Land Use Management. Proceedings of 25th European Transport Forum, Organised by Planning & Transport Research & Computation (PTRC), Seminar C/D: Policy, Planning and Sustainability, London, UK, pp. 323-349.
   http://www.etcproceedings.org/paper/a-trio-management-package-for-relieving-traffic-congestion-in-cairo-traffic-tr

Abstract:

The traditional strategy for tackling the traffic congestion problem has been, for years, to add more capacity to the transport supply system through expansion of road network infrastructure by widening existing roads and constructing new ones, thus allowing for better traffic conditions. However, this approach has its limitations, in terms of absorbing an enormous amount of scarce financial and land resources, causing environmental intrusion, and generally increasing the environmental and safety hazards. Above all, this approach has frequently been reported to ultimately cause the generation of new and suppressed traffic. In many countries, where resources are becoming limited, the tendency has been to adopt policies and measures that enable the utilization of road space in the most efficient manner. Such strategy is known as Traffic Management and Control. Both strategies can be grouped under the heading supply-based strategies. In recent years, a significant change in thinking had emerged. This advocates demand-based strategies whereby policies and measures that affect the pattern of the demand for people to travel are selected and implemented. Such measures can be grouped under Travel (Traffic) Demand Management and Land Use Management strategies. The overall aim of this research is to provide a means of understanding Travel Demand Management in a comprehensive manner and assist in decisions on whether to use and implement (i.e. assess potentiality of) Travel Demand Management in relieving traffic congestion in Cairo.

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1. 3- Abbas K. A. (2001) Environmentally Sustainable Transport Strategies: The Way Forward in Metropolitan Cities. In 12th International Conference on Traffic Safety in Three Continents – Session 11: Costs and Environment. Organised by VTI, TRB, CSIR, FERSI, HNNAT and held in Moscow. pp. 1-12. Published by Swedish National Road and Transport Research Institute VTI, Sweden.
   http://s3.amazonaws.com/zanran_storage/www.vti.se/ContentPages/49386654.pdf

Abstract:

This paper is concerned with one of the three requirements of a sustainable transport system, namely the environmental dimension. It starts by presenting components and interactions of the transport and traffic systems using causal diagrams. Generic traffic problems are identified and their causes categorized. A classification of demand and supply-based policies and measures that can be used in designing environmentally sustainable transport strategies is depicted. Such strategies are targeted towards minimizing the generic traffic problems encountered in metropolitan cities i.e. traffic congestion, accidents, environmental degradation and energy inefficiencies. In this paper, Travel Demand and Land Use Management are considered as two of the basic pillars for designing environmentally sustainable transport strategies. Criteria for comparing demand versus supply-based policies are suggested. These are applied to assess the benefits and limitations of each policy, hence assisting decision makers in the prioritisation and choice of such policies.

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden.

1. 4- Abbas K. A. (2004) Experts Judgment: A Basis for Developing Integrated Programs for Mitigating Traffic Problems in Mega Cities. In Proceedings of 10th World Conference on Transport Research WCTR2004, Session H10: Urban Transport Policy Instruments. Istanbul, Turkey.

Abstract:

This research starts by developing a comprehensive inventory and categorization of demand and supply-based policies and measures that are aimed at relieving traffic problems in metropolitan cities. A set of generic criteria that can be used as a basis for the judgmental assessment of such policies and measures is identified and selected. An attitudinal questionnaire is then designed to elicit the judgment of transport, traffic and highway experts regarding potentiality (efficiency and effectiveness), public acceptability, applicability, perceived cost and priority of implementation of these policies and measures. Appropriate nonparametric statistical tests and techniques are selected and applied to conduct an in depth statistical analysis of gathered expert information. The main purpose of such analysis is to obtain judgment patterns of experts and degree of consensus among them. Statistical analysis is complemented by a weighting procedure to establish the potential achievement rate of each policy and measure and hence to support in making decisions on whether to use and implement such policy or measure in relieving traffic problems. As a result of the analysis, three complementary traffic relief programs were developed. The research concludes with proposing an action program for the implementation of the suggested traffic relief package.

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden.

1. 5- Abbas K. A., Okail O., and Mabrouk I. (1996) Assessment of Potentiality of Travel Demand Management in Relieving Traffic Congestion in Cairo: A Case Study with Car Users in Affluent Districts. Scientific Bulletin, Faculty of Engineering, Ain Shams University, Volume 31, No. 4, Part 1: Architecture and Civil Engineering. Faculty of Engineering, Ain Shams University, Cairo, Egypt. pp. 115-146.

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1. 6- د خالد عبد العظيم عباس (2000) تحليل أسباب مشاكل المرور فى المدن واقتراح الاستراتيجيات والسياسات والتدابير اللازمة للتخفيف من حدتها-مجلة الطرق العربية – جمهورية مصر العربية

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden.

1. 7- د على هيكل و د خالد عبد العظيم عباس وأخرون (2001) أثر تخفيض أيام العمل الأسبوعى على نظام النقل داخل المدن بالتطبيق على مدينتى القاهرة والإسكندرية-مجلة الطرق العربية – جمهورية مصر العربية

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