Table 16: Survey results of Hebei provincial highway S241 sections.

Test sectionEvaluation indexK213-k214K215-K216

Accident severity705
Geometric featureHorizontal curve6570
Sight distance7080
Longitudinal slope4550
Lane width2020
Shoulder width4545

Traffic facilityTraffic sign5060
Traffic marking3030
Guiding facility6575
Safety facility9090

Traffic environmentCrosswalk4545
Traffic volume3030
Heavy vehicle ratio8080