Trucks at Roundabouts: A Synthesis Study

Signals and Meters at Roundabouts

With the emergence of the modern roundabout as an effective form of traffic control in the United States, more and more information is needed when situations arise in which additional traffic control is required. The signalization and metering of roundabouts can relieve congestion during peak hours of the day as well as possibly provide safer access for pedestrians and cyclists. Although the si...

V2V-Intersection Management at Roundabouts

More than 44% of all automotive crashes occur in intersections. These incidents in intersections result in more than 8,500 fatalities and approximately 1 million injuries each year in USA [1,18]. It is also established that roundabouts are safer than junctions. According to a study of a sampling of roundabouts in the United States, when compared with the junctions they replaced, roundabouts hav...

Empirical Estimation of Capacity for Roundabouts Using Adjusted Gap-Acceptance Parameters for Trucks

Transportation Research Record: Journal of the Transportation Research Board, No. 2312, Transportation Research Board of the National Academies, Washington, D.C., 2012, pp. 34–45. DOI: 10.3141/2312-04 Department of Civil and Environmental Engineering, University of Windsor, Windsor, Ontario N9B 3P4, Canada. Current affiliation for J. Dahl: Lea Consulting Ltd., 625 Cochrane Drive, Suite 900, Mar...

Heavy Vehicle Rollover Propensity At Roundabouts On Highspeed Roads

Crash Severity Analysis at Roundabouts: A case study in Quebec, Canada

Numerous studies both in North America and abroad have studied the roundabout as a means to improve the capacity and safety of intersections. The focus of these studies has been to reduce both the number and the severity of accidents, and have generally come to agreeable results. Nevertheless, few studies have dealt with the identification of accident factors within roundabouts. The varied phys...