Analyses of pedestrian accident indicate that crossing behavior is one of the factors contributing to the high risk of accident. Understanding the pedestrian crossing behavior have been widely studied around the world, as the behavior of this vulnerable group are random and inconsistent. Thus, this study observed the crossing behavior of pedestrians at urban signalized intersections in Malaysia. The crossing behavior of 239 pedestrians was observed and videotaped at two signalized intersections in Kuala Lumpur. Data on crossing behaviors were extracted and coded for 10 behavioral categories of relevant behavior. The behavioral differences among gender were also examined. The results show that most of the pedestrian observed neglect to press the call button before crossing, which consequence of many illegal crossing. Different crossing paths were also observed for the three crossing styles at signalized intersections.
Toll plazas are one of the critical components of a roadway system. At the same time, they are among the most complex road structures, as drivers are exposed to a large amount of information and have a short amount of time to make a decision to avoid any collision. VISSIM and SSAM are used to investigate the effect of various Malaysian toll plazas design and traffic conditions on drivers’ behaviour and level of safety. The study was made a well-calibrated and validated VISSIM simulation model and several scenarios were simulated to test their efficacy for improving toll plaza safety aspects by using SSAM afterwards. From the results it was observed that the VISSIM simulation model scenarios such as implementing booths orientation and segregating lanes for different vehicle types to improve the level of service have significant safety aspects improvement regarding conflict points and lane change accidents results while using Surrogate Safety As-sessment Model (SSAM) in order to give the need for remediation of either the roadway design or the flow-control strategy.
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