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The idea of Smart road is based upon definition of a broader, all-inclusive concept with the capacity to incorporate all of the various aspects currently motivating efforts to improve the road sector, such as environmental aspects, highly advanced traffic control technology, analysis of construction maintenance costs (life cycle), the best possible designs taking user capacity into account and financing solutions The base for the development of the Smarf road concept has been included in this article, as an integration of the several positive aspects of highways and address people's highest expectations in relation to highway transport, defeating its importance in the global transport offer. The challenge is now in the development of this concept. [ABSTRACT FROM AUTHOR]

Urban road design has traditionally been based on a hierarchical classification of roads according to the volume and type of motor traffic they are to carry and in conjunction with geometric parameters (cross-section, curve radius, etc.) and speed parameters for each resulting type. Such classifications and design methods are today clearly obsolete given the varied requirements of our urban environment and the need to reduce vehicle traffic in cities, whose negative impacts are well known. The study sets out this process, outlines the new framework that should apply to the road network, points out the insurmountable difficulties of adapting the traditional classification to this new framework and looks forward to criteria for designing and structuring urban roads with which the new and complex challenges of more sustai-nable cities and mobility may be met. [ABSTRACT FROM AUTHOR]