Results 41 to 50 of about 464 (157)
MODERN TURBO-ROUNDABOUTS AND THEIR DESIGNING IN THE CZECH REPUBLIC
Even though the turbo roundabouts have been designed in the Czech Republic since the beginning of this century, until the middle of 2015, there was no national regulation which would describe the way of their construction. As a result of this, there are only 10 turbo-roundabouts with various widths of design elements and different traffic signs in the ...
Miroslav Patočka, Martin Smělý
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Turbo roundabout - An alternative to classic two lane roundabout
Traffic congestion and the questionable safety of two-lane roundabouts are two justified criteria for the introduction of turbo roundabouts. The increase in capacity, which also results in an increase in the level of service, is a positive aspect of this alternative type of roundabout.
Teodora Popović, Biljana Ivanović
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A CASE STUDY ANALYSIS OF ROUNDABOUTS ENTRY CAPACITY LOCALISED ON ONE OF THE MAIN ROAD IN SOSNOWIEC CITY (POLAND) [PDF]
This paper is a case study, which among other things includes the analysis of the three roundabouts entry capacity: a turbo- and two spiralroundabouts. These intersections are located in one of the main road localised in Sosnowiec city (Poland).
Elżbieta MACIOSZEK, Agata KUREK
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Multi-criteria comparative assessment of unconventional roundabout designs
Roundabout design has been evolving to include versatile types that target specific characteristics of each considered location. They started addressing maneuverability issues and directional splits, among other factors.
Abdul Razak Alozi, Mohamed Hussein
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Estimation of Air Pollutant Emissions in “Turbo” and in Conventional Roundabouts
The road pollutant emissions, above all in urban context, are correlated to many infrastructural parameters and to traffic intensity and typology. The research work on road junction geometry, carried out in European research centres, has recently ...
Ferdinando Corriere +2 more
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Conventional roundabouts have been prevalent worldwide since the emergence of modern roundabouts in 1966. An innovative design of multilane roundabouts known as turbo roundabouts, however, has been recently introduced as an alternative to conventional ...
Zuhair Elhassy
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Multi-lane Roundabout Capacity Evaluation
Although two-lane roundabouts theoretically exhibit excellent operating performance, in practice, safety problems arise because of inappropriate driving behavior.
Ammar Šarić, Ivan Lovrić
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Conversion of Existing Roundabouts into Turbo-Roundabouts: Case Studies from Real World [PDF]
Compared with roundabouts the main advantages of turbo-roundabouts are the reduction in the number of potential conflicting points and the lower speed of vehicles passing through the intersection, they both can improve safety conditions at the junction. Moreover, the physical delimitation among lanes limits the side-by-side accident risk. These aspects
Orazio Giuffrè +2 more
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Performance Evaluation of a Hybrid Roundabout Using a Microscopic Simulation
Roundabouts are one of the safest types of intersections. There are a number of roundabout types in literature. Each roundabout type is distinguished by some characteristics.
Yavuz User +2 more
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Safety and Efficiency Analysis of Turbo Roundabout with Simulations Based on the Lujiazui Roundabout in Shanghai [PDF]
Traditional multilane roundabouts have many branch lanes without traffic signs and channelization, which leads to a high tendency for traffic collisions. Turbo roundabouts are a new design that has the potential to reduce lane-change conflicts using canalization to force drivers to keep in specific lanes based on their intended destination.
Qiujia Liu +5 more
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