Recently, there is a growing interest in road safety assessments based on the examination
of the characteristics of the road aimed at identifying the presence of risk factors. This …

Roundabouts are a kind of at-grade intersection, sought-after for their perceived safety
improvements and potential for traffic flow enhancement. However, the crash statistics of …

Abstract Background Road Traffic injuries (RTI) are among the top ten leading causes of
death in the world resulting in 1.35 million deaths every year, about 93% of which occur in …

This study aims to develop safety performance functions (SPFs) and crash modification
factors (CMFs) for the safety assessment of roundabouts as a whole and their components …

This research examines the utility of combined crash modification factors (CMFs) in
minimizing crash severity at urban roundabouts. Conventional CMFs typically assess the …

Roundabouts are one of the safest types of intersections. However, the needs to meet the
requirements of operation, capacity, traffic organization and surrounding development lead …

Several types of modern roundabouts are alternatives to standard ones. They are either in
use or at the development stage today. One such intersection is the two-geometry …

Roundabouts are widely utilized due to their perceived safety benefits compared to other
unsignalized intersections. Studies have demonstrated that roundabouts are effective in …

New roundabouts are innovation and revolutionary in roundabout design, with the risk of
incidents in these roundabouts far less than traditional common roundabouts. These types of …

This study examines crash risk factors and develops a severity model for rear-end and angle
collisions in roundabouts and its vicinity in non-lane-based heterogeneous traffic. The rear …