The roundabout is one type of at-grade intersection commonly seen in many countries. The
evaluation of roundabout safety is usually counted on conflict analysis of the roundabout …

The development of autonomous vehicles (AVs) is becoming increasingly important as the
need for reliable and safe transportation grows. However, in order to achieve level 5 …

Walking plays an important role in overcoming many challenges nowadays, and
governments and local authorities are encouraging healthy and environmentally sustainable …

Roundabouts are widely embraced for their perceived safety advantages over other types of
unsignalized intersections. However, there has been an observed increase in crash rates at …

In recent years, numerous turbo-roundabouts have been built in many European countries.
To date, there are no turbo-roundabouts in Italy and even the regulations do not provide for …

Driving at an unsignalized roundabout is a complex traffic scenario that requires both traffic
safety and efficiency. At the unsignalized roundabout, the driving policy does not simply …

The design of road geometry is based on a rather elementary assumption that the user
strictly follows the lane axis. Based on this hypothesis, the ideal trend of some factors related …

Connected Autonomous Vehicle (CAV) is considered as a proposal toward sustainable
mobility. In order to succeed in a sustainable mobility solution,“CAV” or more precisely “CAV …

The reconstruction of a standard at-grade intersection into a roundabout is very often
motivated by the need to improve traffic safety, and the effects are usually monitored through …

Conventional intersections that have been replaced by multi-lane roundabouts have
experienced a substantial reduction in both injuries and fatal crashes. Property-damage …