摘要: |
Pedestrian Level of Service (PLOS) is a quantitative term which represents the quality of service of walking facilities. In this study an attempt has been made to define levels of service provided by the off-street pedestrian facilities in mid-sized cities of India, taking pedestrian space, flow rate, volume to capacity ratio and average walking speed as the Measure of Effectiveness (MOE). As defining PLOS is a classification problem, it has been observed that Self Organized Map (SOM) one of the clustering methods is used to classify the ranges of different measure of effectiveness in this regards. From the study it is observed that average space of >15.67 meter2/pedestrian, flow rate of<0.063 pedestrians/second/meter width, average speed of >1.22 meter/second and volume to capacity ratio of ≤0.4 pedestrian can move in their desired path at LOS 'A' without changing movements and it is the best condition for off-street facilities. But situation considered to be PLOS 'F' at which movement is severely restricted and frequent collision among pedestrians occurs, parametric ranges expressed as average space ≤4.48 meter2/pedestrian, flow rate of >0.145 pedestrians/second/ meter width, average speed of ≤0.62 meter/second and volume to capacity ratio of >1.00.The ranges of the parameters used for LOS categories found in this study for Indian cities are different from that mentioned in HCM (2010) because of differences in population density, traffic flow condition, geometric structure and some other factors. |