Rahul Goel|Parth Jain|Geetam Tiwari
Correlates of fatality risk of vulnerable road users in Delhi
MRC Epidemiology Unit|University of Cambridge|Shiv Nadar University|Indian Institute of Technology Delhi
pedestrians cyclists users motorised twowheelers account 85 road fatality victims delhi three categories often referred vulnerable road users vrus using bayesian hierarchical approach poissonlognormal regression model present spatial analysis road fatalities vrus wards areal units model accounts spatially uncorrelated well correlated error explanatory variables include demographic factors traffic characteristics well built environment features found fatality risk negative association socioeconomic status literacy rate population density number roundabouts positive association percentage population workers number bus stops number flyovers grade separators vehicle kilometers travelled negative effect roundabouts though statistically insignificant accordance speed calming effects used replace signalised junctions various parts world fatality risk 80 higher density 50 persons per hectare pph overall citywide density 250 pph presence flyover increases relative risk 15 compared flyover future studies investigate causal mechanism denser neighborhoods become safer given risk posed flyovers use congestion mitigation measure discontinued within urban areas