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Capacity and safety aspects of turbo-roundabouts
Transportation Research ProcediaKristián Čulík +2 more
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Turbo Roundabouts: Design, Capacity, and Comparison With Alternative Types of Roundabouts
2021Introduction. In turbo roundabouts traffic entry, exit, and circulatory lanes are physically delimited by kerbs (see Fig. 1A). This implies a lowerNnumber of potentially conflicting points (Fig. 1B) between vehicle trajectories than conventional roundabouts (Fortuijn, 2009). By way of an example, in a turbo roundabout with four arms and two circulatory
Marco Guerrieri
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Comparative Analysis of Compact Multilane Roundabouts and Turbo-Roundabouts
Journal of Transportation Engineering, 2010This paper presents a comparative analysis of the traffic performances of turbo-roundabouts and roundabouts in terms of capacity and delays. We chose to use a recent German procedure for roundabouts included in “Kreisel” software as our calculation procedure to determine the capacity of turbo-roundabouts.
Raffaele Mauro, Mauro Raffaele
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Modern suburban roundabouts in Croatia - flower and turbo roundabouts
Scientific Journal of Civil Engineering, 2020Turboroundabouts are specially designed multilane roundabouts with spiral circulatory roadway and physically separated traffic lanes. This roundabout layout was developed in the late nineties of the last century with the aim of increasing the traffic safety and capacity at classic multi-lane roundabouts.
Džambas, Tamara +2 more
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Transportation Research Record: Journal of the Transportation Research Board, 2009
The Dutch turbo roundabout is characterized by predictable lane use and radial connecting entries. To calculate the capacity, in 1997 the multilane roundabout explorer was developed by modification of the capacity model of Bovy, which considered both separated lanes and pseudoconflict.
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The Dutch turbo roundabout is characterized by predictable lane use and radial connecting entries. To calculate the capacity, in 1997 the multilane roundabout explorer was developed by modification of the capacity model of Bovy, which considered both separated lanes and pseudoconflict.
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Calculation of Turbo-Roundabouts with Slip Lanes
Applied Mechanics and Materials, 2013A turbo roundabout is a particular type of roundabout where all lanes are bounded by traffic signs and by non-mountable curbs installed at entering and circulating lanes. Turbo roundabouts also have a very particular shape to accomplish the splitting of traffic streams and to prevent cars weaving through.
GUERRIERI, Marco, CORRIERE, F.
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Capacity Increase through connectivity for the i-Roundabout and i-Turbo roundabout
2020 Forum on Integrated and Sustainable Transportation Systems (FISTS), 2020Is a roundabout still a good solution in the era where ‘intelligent’ intersection control using vehicle connection (i-TLC), is in upswing? To answer this question, the capacity of ‘i-roundabouts’, where the infrastructure communicates with the vehicles (I2V), is determined analytically.
L.G.H. Bertus Fortuijn +1 more
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Transportation Research Record: Journal of the Transportation Research Board, 2021
Since their introduction in the late 1990s, basic turbo roundabouts have made a great success in several European countries. Researchers, however, have been unable to reach a general consensus on the operational performance advantages and benefits derived from such a novel design of multi-lane roundabouts, as compared with conventional double-lane ...
Zuhair Elhassy +2 more
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Since their introduction in the late 1990s, basic turbo roundabouts have made a great success in several European countries. Researchers, however, have been unable to reach a general consensus on the operational performance advantages and benefits derived from such a novel design of multi-lane roundabouts, as compared with conventional double-lane ...
Zuhair Elhassy +2 more
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Modern Suburban Roundabouts in Croatia - Flower and Turbo roundabouts
Scientific journal of civil engineering, 2019Turboroundabouts are specially designed multilane roundabouts with spiral circulatory roadway and physically separated traffic lanes. This roundabout layout was developed in the late nineties of the last century with the aim of increasing the traffic safety and capacity at classic multi-lane roundabouts.
Džambas, Tamara, Dragčević, Vesna
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Turbo Roundabout Usage in Lieu of Conventional Roundabouts for the Jordanian Traffic Conditions
International Journal of Civil Engineering, 2018The main objective of this study is to check the possibility of upgrading at-grade roundabouts to Turbo roundabouts considering the Jordanian driving conditions. It is also to check how such upgrade is going to affect performance measures of the studied areas including safety, capacity, queue length, delay, and level of service (LOS).
Mohammad Ali Khasawneh +1 more
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