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 …

In 2011, the United Nations Road Safety Collaboration (UNRSC) developed a Global Plan
for the Decade of Action for Road Safety 2011–2020. Among the categories or “pillars” of …

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 …

The construction of cities and economic development lead to more and more serious
environmental pollution, and the concept of green and low-carbon city has been proposed …

The prediction of operating speed plays a crucial role in road design and safety assessment,
especially on complex urban expressway interchange ramps. This task is challenging due to …

This study is concerned with assessing the effect of geometric design and land use on
roundabouts, which are one of the most widely used traffic calming techniques. It aims to …

Traditional two-lane or multilane roundabouts gradually become less efficient and safer to
operate with increasing traffic volumes due to the weaving area. To mitigate this problem …

This paper explores the relationships between the behaviour of road users, road
environment, traffic characteristic and law enforcement. The objective of this study was to …

Traffic accidents (TAs) constitute one of the top killers in the United Arab Emirates (UAE).
Without practical approaches to address the TAs in Abu Dhabi, the region is likely to …

The geometric design of a roundabout follows an iterative process that aims to achieve an
optimal balance among safety provisions, operational performance, and large vehicle …