An international review of roundabout capacity modelling

YH Yap, HM Gibson, BJ Waterson - Transport Reviews, 2013 - Taylor & Francis
Roundabouts are an increasingly common form of road junction worldwide, and their
effective design requires a detailed analysis of maximum vehicle throughput capacities. In …

Comparison of SimTraffic and VISSIM microscopic traffic simulation tools in modeling roundabouts

K Shaaban, I Kim - Procedia Computer Science, 2015 - Elsevier
SimTraffic and VISSIM are two microscopic traffic simulation tools that are capable of
modeling arterial roads with signalized intersections and roundabouts. This study compares …

Conventional and unconventional roundabouts: a review of geometric features and capacity models

A Pratelli, S Casella, A Farina, M Lupi - International Journal of …, 2018 - witpress.com
Road intersections play a key role in traffic management. Modern roundabouts require
entering vehicles to yield to the circulating flow, and have proven highly effective in granting …

Operations of modern roundabout with unbalanced approach volumes

M Valdez, RL Cheu, C Duran - Transportation research …, 2011 - journals.sagepub.com
This research examined the operations of a four-legged, two-lane modern roundabout with
different combinations of approach volumes. Because of the insufficient number of …

Comparison of macroscopic and microscopic simulation models in modern roundabout analysis

D Yin, TZ Qiu - Transportation research record, 2011 - journals.sagepub.com
Modern roundabouts are more and more widely used at both urban and rural intersections
in North America. The results of traffic operations analysis at roundabouts often depend on …

Upgrading traffic circles to modern roundabouts to improve safety and efficiency–case studies from Italy

A Pratelli, P Sechi, R Roy Souleyrette - Promet-Traffic&Transportation, 2018 - hrcak.srce.hr
Sažetak This paper presents a procedure for analysing safety and operational
improvements made possible by converting traffic circles to modern roundabouts. An Italian …

Assessment of corridors with different types of intersections: Environmental and traffic performance analysis

P Fernandes, T Fontes, M Neves… - Transportation …, 2015 - journals.sagepub.com
Recently, roundabouts in a series have been installed along corridors to enhance road
safety. However, the benefits of this traffic-calming technique on traffic performance and …

Effect of pedestrian impedance on vehicular capacity at multilane roundabouts with consideration of crossing treatments

B Schroeder, NM Rouphail… - Transportation …, 2012 - journals.sagepub.com
Past research has documented that pedestrian crossings at modern roundabouts can result
in an impedance effect on the available capacity of entering traffic. The magnitude of this …

Optimising total entry delay at roundabouts with unbalanced flow: a dynamic strategy for smart metering

Y Duan, X Qu, S Easa, Y Yan - IET Intelligent Transport …, 2019 - Wiley Online Library
Modern roundabouts are widely used at intersections with light traffic, generally providing
safety and other advantages. However, large entry delays are often observed at …

Queue discharge at freeway on-ramps using coordinated operation of a ramp meter and an upstream traffic signal

K Shaaban, MA Khan, I Kim, R Hamila - Procedia Computer Science, 2020 - Elsevier
Ramp metering is an effective way of maintaining optimum traffic conditions and mitigating
congestion on freeways. Several strategies for ramp metering exist in the literature. They are …