Results 1 to 10 of about 1,473 (259)

Flower Roundabouts And Double-Lane Roundabouts: A Comparative Performance Analysis

open access: yesArchives of Civil Engineering, 2014
In the paper, a choice criterion between flower roundabouts and double-lane roundabouts is proposed, focusing on operational benefits that can derive from one scheme over the other, and outlining a general framework for benefit-cost analysis. In order to
Giuffrè O.   +4 more
doaj   +3 more sources

Evaluating safety effectiveness of roundabouts in Abu Dhabi

open access: yesIATSS Research, 2018
With more than 460 roundabouts located in Abu Dhabi, the capital city of the United Arab Emirates, it is imperative to evaluate the safety benefits provided by those roundabouts.
Essam Dabbour
exaly   +3 more sources

A safety analysis of roundabouts and turbo roundabouts based on Petri nets [PDF]

open access: yesTraffic Injury Prevention, 2019
Objective: In this work, a roundabout and a turbo roundabout model are compared and previous modeling with continuous Petri nets and safety are analyzed through indicators of complexity. Petri nets are a graphic and mathematical representation that allow a faithful modeling of urban systems.
Jesus Balado   +2 more
exaly   +4 more sources

THE ROAD SAFETY AT TURBO ROUNDABOUTS IN POLAND [PDF]

open access: yesArchives of Transport, 2015
There are to two groups of turbo roundabouts used currently in Poland. The first group is turbo roundabouts with geometry and traffic organization designed following the model of Dutch turbo roundabouts with raised lane dividers. The other group is turbo
Elżbieta Macioszek
doaj   +1 more source

ROUNDABOUTS AS AESTHETIC ROAD SOLUTIONS FOR ORGANIZING LANDSCAPES [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2022
In the transportation systems are different types of intersections. Among them, roundabouts are considered the safest solution. The application of roundabouts is conditioned by many factors. One of them borders on area development.
Elżbieta MACIOSZEK
doaj   +1 more source

EVALUATING THE SAFETY PERFORMANCE OF ROUNDABOUTS [PDF]

open access: yesTransport Problems, 2020
The use of roundabouts is wellrecognized for sustaining an efficient and safe intersection. However, the safety results may vary based on the prevailing conditions.
Mo'ath ALSHANNAQ, Rana IMAM
doaj   +1 more source

Signalization options to improve capacity and delay at roundabouts through microsimulation approach: A case study on arterial roadways in Ghana

open access: yesJournal of Traffic and Transportation Engineering (English ed. Online), 2021
Roundabouts are very useful when flows are balanced but can have operational challenges when flows increase. Most roundabouts on arterial roadways in Ghana experience recurring congestion during peak traffic.
Kwame Kwakwa Osei   +3 more
doaj   +1 more source

Improving the traffic safety by converting an existing conventional multilane traffic roundabout to a look-a-like turbine roundabout (case study) [PDF]

open access: yesPrzegląd Komunikacyjny, 2023
: The article addresses the issue of converting existing conventional multilane roundabout to a look-a-like turbine traffic roundabout. A case has been proposed by reviewing different solutions of traffic control devices on existing conventional ...
Alicja Sołowczuk, Anna Olszewska
doaj   +1 more source

The magic roundabout [PDF]

open access: yesBMJ, 2006
It is 2015, and what goes around has come around several times in the past 10 years. Back in 2005, Zebedee, or whoever it was who spun the magic roundabout from the Department of Health, seemed confused about the difference between change and progress. Change produced instant good-news stories but constant disruption within the health service. Progress
openaire   +2 more sources

ROUNDABOUTS IN JAPAN – SURVEYING, PROBLEMS AND ISSUES [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2019
A roundabout is not a popular intersection type in Japan. Vehicular traffic at most road crossings are controlled by traffic lights. This article comments upon a survey of Japanese roundabouts along with their numerical characteristics concerning, among ...
Elżbieta MACIOSZEK
doaj   +1 more source

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