Mathematical Problems in Engineering / 2018 / Article / Tab 4

Research Article

Driving Risk Assessment in Work Zones Using Cloud Model

Table 4

Assessment indexes in concept cloud.

Work zonesConcept hierarchy assessing indicatorvalueIIIIIIIVRisk levelRisk scoreTraffic conflicts

Work zone 1a853.800.4610.2320Less safe13.4848.4842
MSDE85-4.30.2650.02300safe5.23
CV0.479000.2780.106Less dangerous17.65

Work zone 2a855.300.8790.0110Less dangerous15.8562.4973
MSDE85-13.6000.1570.034Less dangerous16.03
CV0.436000.6530.041Less dangerous14.99

Work zone 3a854.300.0010.6850Less dangerous5.3234.3331
MSDE85-6.400.0030.8640safe10.56
CV0.30200.0230.6510Less safe9.96

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