Table 6 Weights of the factor of traffic safety obtained from AHP and BMW

1.Infrastructure

0.71

1.1. Section characteristics

0.53

1.1.1. Cross-section

0.30

1.1.2. Speed

0.25

1.1.3. Traffic flow and composition

0.45

1.2. Layout characteristics

0.31

1.2.1. In-plant layout

0.57

1.2.2. Slope

0.15

1.2.3. Interchange

0.28

1.3. Endowments and conservation

0.09

1.3.1. Signalling

0.11

1.3.2. Lighting

0.14

1.3.3. Containment systems

0.12

1.3.4. Beaconing

0.12

1.3.5. Road surface

0.35

1.3.6. Drainage

0.16

1.4. Works

0.07

1.4.1. Works

1

2.Environment

0.29

2.1. Meteorology

0.67

2.1.1. Fog

0.37

2.1.2. Rain

0.32

2.1.3. Ice

0.31

2.2. Other factors

0.33

2.2.1. Industrial Park

0.54

2.2.2. Shopping centres

0.19

2.2.3. Hospitals

0.27