Traffic conflicts among right-turn vehicles (RTVs), nonmotorized vehicles (NMVs) and pedestrians were examined for urban signalized intersections with exclusive right-turn lane. This study proposed an approach to dynamically calculate the duration of the prohibited right-turn for vehicles by using a measure called the Degree of Clustered Conflict (DCC). The process of DCC control includes: 1) q...

With the spread of connected vehicles (CVs), a growth novel information services exploiting data transmitted by CVs is expected. Wireless communication systems, in particular vehicular applications, operate with varying level transmission reliability, which may affect quality V2X-data-driven intelligent transport systems (ITS). Therefore, performance ITS should be evaluated variety conditions a...

is responsible for an NCHRP funded effort to identify and evaluate roundabout and channelized turn lane treatments intended to improve facility access for visually impaired pedestrians. As part of this effort, ITRE is utilizing VISSIM micro-simulation/modeling capabilities to investigate the (estimated) effectiveness of proposed treatments in advance of their full scale field evaluation. While ...