Connected Car
Data sharing connected vehicles improve traffic movement through intersections, but unconnected automated vehicles slow the flow of traffic, a new study from North Carolina State University has found. “There is a lot of research showing that automated vehicles can improve safety. The researchers accounted for four types of vehicles: human-driven vehicles (HVs); connected vehicles (CVs) – which are driven by humans, but share information with other connected vehicles and with the control system that manages traffic lights; automated vehicles (AVs); and connected automated vehicles (CAVs). “However, we found that higher percentages of AVs – which are not connected – actually slows travel times through intersections,” said Hajbabaie. “However, it’s difficult and expensive to assemble a mixed fleet of HVs, AVs, CVs, and CAVs in a connected traffic-control system.