Mathematical Problems in Engineering / 2020 / Article / Tab 2

Research Article

Probability of Roadside Accidents for Curved Sections on Highways

Table 2

Description of variables.

VariableValue

Highway geometric design indexesHorizontal curve radius (m)200300400500600
Hard shoulder width (m)0.751.52.253.00
Longitudinal slope (%)0246
Superelevation slope (%)0246
Width value of curve (m)0.40.6

Pavement conditionAdhesion coefficient0.20.40.60.8

Traffic characteristicsVehicle type“Truck” = 0“Car” = 1
Vehicle speed (km/h)406080100120

Output variableVehicle final state“No departing from road” = 0“Departing from road” = 1

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