The Role of Journey Purpose in Road Traffic Injuries: A Bayesian Network Approach

Table 4

Probabilities of suffering a serious accident, depending on the type of displacement and distraction or errors made by the drivers. Processed by the authors.

Variable	KSI risk medium	“In itinere”	On business	Leisure	Others
Type of vehicle
Car	0.038	0.037	0.042	0.036	0.042
Bike	0.146	0.139	0.139	0.148	0.136
Motorcycle	0.213	0.201	0.216	0.202	0.244
Bus	0.025	0.024	0.025	0.022	0.037
Truck	0.047	0.041	0.050	0.034	0.039
Others	0.120	0.123	0.118	0.116	0.123
Zone
Road	0.090	0.081	0.079	0.095	0.095
Crossing	0.102	0.094	0.081	0.097	0.125
Urban área	0.039	0.039	0.027	0.039	0.044
Motorway	0.083	0.09	0.041	0.100	0.072
Distance
Local	0.050	0.052	0.042	0.050	0.051
Medium	0.082	0.064	0.060	0.103	0.067
Long	0.077	0.068	0.066	0.089	0.073
Unknown	0.127	0.137	0.075	0.142	0.132