Mathematical Problems in Engineering / 2020 / Article / Tab 5

Research Article

Probability of Roadside Accidents for Curved Sections on Highways

Table 5

The magnitude of the impact of factors on roadside accidents.

VariableDirect effectIndirect effect
Vehicle speedHorizontal curve radiusAdhesion coefficientHard shoulder widthLongitudinal slopeVehicle typeOverall effect

Vehicle speed3.3212.2920.5080.4840.4610.6847.749
Horizontal curve radius−2.572−2.960−0.501−0.477−0.456−0.679−7.644
Adhesion coefficient−0.827−2.040−1.559−0.323−0.305−0.443−5.496
Hard shoulder width−0.812−1.979−1.510−0.329−0.300−0.443−5.373
Longitudinal slope0.3141.0661.0070.1240.0130.0832.607
Vehicle type−1.005−2.272−1.746−0.366−0.360−0.341−6.086

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