Research Article

Predicting Freeway Traffic Crash Severity Using XGBoost-Bayesian Network Model with Consideration of Features Interaction

Table 5

The effect of weather and road alignment on the crash severity.

Road alignmentWeatherProperty loss crashInjury crashFatal crash

StraightSunny0.00680.39300.6002
Overcast0.02800.42590.5461
Rainy0.00300.38920.6077
Snowy0.00140.39000.6086
Foggy0.04550.45280.5018

NonstraightSunny0.00210.48950.5084
Overcast0.01450.49440.4911
Rainy0.00490.48300.5121
Snowy0.01460.46650.5190
Foggy0.05970.51580.4245