DAndrea - Urban Street Design: A New Engineering Approach...

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Unformatted text preview: Urban Street Design: A New Engineering Approach Antonio D’Andrea, Luca Urbani In order to promote pedestrian mobility the design of urban streets becomes everyday more important and, at the same time, more complex. An urban street should be a multifunctional space where three different means of transport (cars, public transport and pedestrians) may live (or at least survive) together. The available space needs to be organised according to the different requirements of road users. A consistent design should induce users to behaviours “legal”, predictable and at the same time comfortable and safe. Therefore understanding and taking into account users, and in particular pedestrians behaviour, becomes crucial to the design of urban streets. Common design practices are aimed at reaching “levels of service” as high as possible for all the involved classes of users, this is achieved trough the use of more or less innovative techniques, such as separation of flows, traffic calming devices, enforcement, traffic signs etc. which, depending on the situation, may be more or less effective. It is therefore very important to understand where, when and, in case, which design techniques is the most suitable to be used in each particular case, taking into account the different users needs, behavioural patterns, and the characteristics of the surrounding environment. An engineering method should be developed to solve this problem, the method should be based on objective measures and may be used, by designer and authorities, as an aid during the planning/designing process. According to that parameters which characterise the location, affect users behaviour, and may be easily measured (i.e. cars and pedestrians flows, services location, “spontaneous” pedestrian paths) have been sorted out and used to take a “multidimensional picture” of the spot (for instance a stretch of road). The so realised “pictures” may help in focusing inconsistence of the design with the actual users’ behaviour, critical point etc. and at the same time, when needed, may suggest the most suitable solutions. The proposed approach has been used in a Rome’s district, and the results have been reported. Contact Author - (The Words) are typed here using U/l-case Type of Heading Style 3 Luca Urbani DITS Via Eudossiana 18 Rome Italy 00184 Tel. +39 06 44585107 Fax +39 06 44585107 e-mail. [email protected] Luca Urbani Engineer, PhD Student at University of Rome “La Sapienza” Faculty of Engineering Involved in several national and European researches on pedestrians’ mobility, with special regard to safety and environmental topics. Antonio D’Andrea Associate Professor of Costruction of Roads, Railways and Airports at the University of Rome “La Sapienza”, Faculty of Engineering....
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This note was uploaded on 07/18/2010 for the course CE 2598 taught by Professor Ali during the Spring '10 term at Lahore University of Management Sciences.

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DAndrea - Urban Street Design: A New Engineering Approach...

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