Results 11 to 20 of about 50,207 (140)
Turbo-roundabouts vs Roundabouts Performance Level [PDF]
AbstractIn this paper the performance level of basic turbo-roundabouts and double-lane roundabouts are compared. Cowan's M3 headway distribution was chosen to take into account bunched vehicles moving along each circulating lane; the Hagring model was adopted to evaluate entry capacity both at turbo-roundabout and at double-lane roundabout.The ...
Anna Granà, S Marino
exaly +4 more sources
Moving from Conventional Roundabouts to Turbo-roundabouts [PDF]
AbstractThis paper introduces the turbo-roundabout concept and compares its performance with the conventional double-lane roundabout in terms of safety and capacity. While researchers agree as to the safety benefits of turbo-roundabouts, improvement in terms of capacity is still open to discussion. The application of a new calculation method shows that
Ana Bastos Silva, António Vasconcelos
exaly +3 more sources
Geometric design of turbo roundabouts [PDF]
Turbo roundabouts are lately a more common choice in designing multilane roundabouts. First guidelines for geometric design of this particular roundabout layout were developed by a Dutch Information and Technology Platform CROW in 2008. Soon after, a number of European countries began to develop their own regulations on turbo roundabouts, adjusted to ...
Džambas, Tamara +2 more
core +7 more sources
Comparing Performances of Turbo-roundabouts and Double-lane Roundabouts
Starting from assumptions regarding the arrival process of circulating streams and according to models based on the gap-acceptance theory, the paper is aimed at comparing operational performances between basic turbo-roundabouts and double-lane roundabouts.
Orazio Giuffrè +2 more
openaire +4 more sources
Evaluation of the Safety Performance of Turbo Roundabouts by Means of a Potential Accident Rate Mode
Turbo roundabouts are a particular road intersection layout, designed to increase the safety of double-lane roundabouts, while maintaining their excellent capacity.
Raffaele Mauro +2 more
doaj +2 more sources
An Analysis of Turbo Roundabouts from the Perspective of Sustainability of Road Transportation [PDF]
The designs of turbo roundabouts vary among countries and undesirable and potentially dangerous situations can occur for vehicles passing through the roundabout. In this article, we focus on an analysis of one of the problems within sustainable road transportation, i.e., the geometric layout of turbo roundabouts.
Jan Petru, Vladislav Krivda
openaire +4 more sources
Capacity of normal and turbo-roundabouts: comparative analysis [PDF]
While researchers agree as to the safety benefits of turbo-roundabouts, their improvements in terms of capacity and delay remain open to discussion. This is mostly because previous research is based on capacity models that do not fully describe the complex interactions between traffic streams on multi-lane roundabouts.
Vasconcelos, Luís +2 more
openaire +4 more sources
Traffic Efficiency Evaluation of Elliptical Roundabout Compared with Modern and Turbo Roundabouts Considering Traffic Signal Control [PDF]
This paper compared the performance of elliptical roundabout with turbo and modern roundabouts. It considers the effects of increasing the central island radius and speed limit on delay and capacity.
Hadi Hatami, Iman Aghayan
doaj +2 more sources
Design Study for the Construction of Turbo Roundabouts under Constrained Site Conditions
Turbo-roundabouts are one of the most frequently recommended road junction design options when it comes to increasing traffic capacity and traffic safety. This is in particular true of suburban areas, with dominant traffic flow on the main road and moderate traffic flow on the side road.
Alicja Sołowczuk, Stanisław Majer
openaire +2 more sources
This study focuses on optimizing traffic flow at uncontrolled intersections by comparing the effectiveness of different intersection types: roundabouts, signal-controlled intersections, and turbo-roundabouts. The purpose is to determine which type offers
Alica Kalašová +3 more
doaj +2 more sources

