Abstract
In recent works on the Internet of Vehicles, “intelligent” and “sustainable” have been the significant in the case of transportation. Maintaining sustainability is always a challenge. Sustainability can be achieved not only by the use of pollution-free vehicular systems, but also by maintenance of road traffic safety or prevention of accidents or collisions. Quantifying the sustainability of urban transport is important as evidenced by a growing number of studies to measure sustainability in transportation. This paper dealt with the challenge of measuring transport sustainability based on the long environmental and safety indicators. To overcome the issue of using too many indicators for evaluation, this paper develops a method for obtaining a composite transport sustainability index for limited sources and time for collecting data. Seven sustainability indicators relevant to urban transport which deal with environmental and social (safety) aspects were selected depending on available data. The indicators were integrated to environmental, social (safety) sub-indices and then to a composite index, in a way that overcomes the limitations on normalization, weighting and aggregation. It is an attempt to quantify transport sustainability for arterials streets within the Hilla network which provides information about current situation of urban transport in different parts of the city. The value of ICST (composite index of transport sustainability) for main arterials at Hilla city (as case study) equal to 0.648, 0.542 and 0.462 for 40th, 60th and 80th streets respectively. The value ICST¬ is the highest at 40th street (inner Hilla city – the best case) and the lowest at 80th street (outer Hilla the worst case).
Highlights
Enhancement of urban network’s performance is a challenging task
Beside the fact that expansion of road network's capacity is expensive and would be constrained by land limitation, it might stimulate a large amount of new demand.[1]
There is a level at which congestion starts to detract from livability, increases transport costs and affects the reliability of travel for public transport.[2]
Summary
Many cities are trying to increased roads network to reduce congestion. Those expansions probably will not help to solve the problem. A variety of indicators are used, some of it we believe are appropriate and useful for planning and policy analysis It would be highly desirable for transportation professional organizations to develop standardized, “baseline” indicator sets, with consistent definitions and collection methods, suitable for comparing impacts and trends between different organizations, jurisdictions and times. This can include some indicators suitable for all situations, and others for specific needs and conditions.[3]. The sustainability of transportation covers several different aspects of value judgments relating to transportation technology, sociology, economy, and environment protect.[5]
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Published Version
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