Performance Analysis of Basic Turbo-Roundabouts in Urban Context | Zendy

Ferdinando Corriere | Zendy; Marco Guerrieri | Zendy

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Performance Analysis of Basic Turbo-Roundabouts in Urban Context

Author(s) -

Ferdinando Corriere,

Marco Guerrieri

Publication year - 2012

Publication title -

procedia - social and behavioral sciences

Language(s) - English

Resource type - Journals

ISSN - 1877-0428

DOI - 10.1016/j.sbspro.2012.09.912

Subject(s) - roundabout , highway capacity manual , level of service , pedestrian , transport engineering , intersection (aeronautics) , turbo , computer science , context (archaeology) , pedestrian crossing , traffic flow (computer networking) , degree of saturation , engineering , automotive engineering , environmental science , geography , computer network , archaeology , soil science , soil water

A turbo roundabout is a new type of canalized multilane intersection in which the physical separation between lanes helps to\udprevent side collisions when crossing the roundabout. This paper presents an estimation of capacity, delays and level of service\udof basic turbo roundabouts in undersaturation conditions, considering both vehicle flow and pedestrian traffic. The traffic\udperformance model was developed by evaluating the capacity for each entry lane. Owing to the geometric features of the\udintersection, the total entry capacity is obtained by considering different values of the pedestrian impedance factor and degree\udof saturation at both the right-turn and left-turn lanes

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