Visibility studies at roundabouts entries

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...

Heavy Vehicle Rollover Propensity At Roundabouts On Highspeed Roads

Swings and Roundabouts

Recognition of the continuing need for 'psychiatric social work' within the context of generically based social services departments.

Driver Behavior and Gap-Acceptance Characteristics at Roundabouts in California

and follow-up headway values based on a comprehensive evaluation of roundabouts throughout the United States. The recommended operational models by NCHRP 3-65 will be incorporated into the next update of the Highway Capacity Manual (HCM). Although this NCHRP study contains a significant amount of data (including more than 500 h of video at various roundabout locations), the data do not include ...