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Ana Cudina Ivancev, Maja Ahac, Sa?a Ahac and Vesna Dragcevic
Roundabout design is an iterative process consisting of a preliminary geometry design, geometry performance checks, and the estimation of intersection functionality (based on the results of analytical or regression models). Since both roundabout geometry...
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Salvatore Leonardi, Giuseppe Marco Tina and Natalia Distefano
Roundabouts have become a common type of intersection design in many countries. The area of the center island can be used to install a photovoltaic system to power local loads such as lighting systems. The objective of this study is to evaluate the degre...
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Dusan Jandacka, Martin Decky, Katarina Hodasova, Peter Pisca and Dusan Briliak
The authors present the unsolved issue of the contextual design of urban intersections (UI) from the point of view of traffic noise emissions around residential buildings in the Slovak context. Noise barriers are very rarely used in urban areas, due to s...
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Said M. Easa, Yang Ma, Shixu Liu, Yanqun Yang and Shriniwas Arkatkar
This paper presents a reliability-based method for the design of intersection sight distance (ISD) at traffic roundabouts using the linear and nonlinear deceleration profiles of the entry vehicles. The reliability method is based on the first-order secon...
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Marilo Martin-Gasulla, Alfredo Garcia, Ana Tsui Moreno, Carlos Llorca
Pág. 295 - 307
Roundabouts show great advantages due to their geometry and their priority system, both in terms of capacity and road safety, compared to other intersections. However, unbalanced flows may be a problem even at medium demand levels. One single approach ma...
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Claudio Meneguzzer, Massimiliano Gastaldi, Riccardo Rossi, Gregorio Gecchele, Maria Vittoria Prati
Pág. 1597 - 1609
The traditional approach to the comparison of alternative types of road intersection control has focused mainly on efficiency and safety. In recent years, the increasing importance of air pollution produced by vehicular traffic has suggested that environ...
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Sonu Mathew, Ashish Dhamaniya, S.S. Arkatkar, Gaurang Joshi
Pág. 985 - 992
The highway capacity manual (HCM-2010) is widely referred document around the globe for planning and design of roads. However, the transferability of HCM recommendations for heterogenous traffic condition represents a significant research issue as they a...
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Nan Kang, Hideki Nakamura
Pág. 308 - 318
Heavy vehicles behave differently from ordinary passenger cars due to their characteristics such as size and operational performance. At roundabout, entry capacity estimation mainly focuses on passenger cars. In HCM 2010, the impact of heavy vehicles on ...
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