Safety Diagnostic Method In Urban Circular
Intersections
Author(s)
A. Granà
Abstract
The available knowledge of traffic safety at roundabouts is not a complete
reference for geometric design; where there are organizational schemes for
junctions characterized by a geometric design, quite different driving behaviours
are required from those that are observable at roundabouts.
This is very frequent in urban areas, where the existing constraints,
particularly physical ones, often render it necessary to make \“compromise
choices” relating to one or more geometric features of the roundabout (central
island shape, circulatory roadway width, symmetry and number of the arms,
entry width, etc). The objective of this study is to explain the accident
phenomenology of this kind of road scheme, with reference to the most frequent
accidents for the junctions examined in different traffic and risk exposure
conditions. The study also intends to
Keywords
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