Iris Publishers- Journals in Civil Engineering

Civil & Structural Engineering


Road Safety in Brief

Road safety issue has been the subject of study for many years and with each passing day transportation engineering expands this research area since it is a social matter of absolute priority. The expression road safety is frequently used in the current vocabulary of road users (as drivers or pedestrians), and road professionals (as technicians, designers or managers), given that the repeated occurrence of fatal, injury and property damage crashes compromise the use of highways, streets and intersections and the safety of the general community. Hauer [1] argues that the road safety concept may be related to a property of the real-world road units as road segments, intersections, vehicles, and users; each road unit may be involved in crashes and crashes may happen on it. When we think of ways to improve road safety, the associations conjuring up are the reduction in crash frequencies and risky road driving situations. Crashes are random events, rare when compared to the millions of vehicles on the roads, events not reproducible a posteriori, almost never observable if not when they have happened; although many risky road situations continually happen on units (road segments and intersections) of the road network, they don’t always result in crashes.

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