Table 7.
Factors weight scores based on the AHP–BWM model.
| Level 1 | Level 2 | Level 3 | |||
|---|---|---|---|---|---|
| Factor | Weight | Factor | Weight | Factor | Weight |
| Main factors | Traffic characteristics | Speed | |||
| Traffic characteristics | 0.5148 | Traffic volume | 0.3440 | Average speed | 0.5148 |
| Human | 0.2134 | Traffic composition | 0.1075 | Speed limit | 0.4852 |
| Road characteristics | 0.1834 | Following distance | 0.1381 | Vehicle type | |
| Light conditions | 0.0884 | Speed | 0.2954 | Light vehicle | 0.7068 |
| Vehicle type | 0.1150 | Heavy vehicle | 0.2932 | ||
| Human | Road type | ||||
| Carelessness | 0.2475 | Urban | 0.3026 | ||
| Illiteracy | 0.1099 | Rural | 0.6974 | ||
| Violation of rules | 0.3859 | Road surface | |||
| Training | 0.2566 | Dry | 0.7199 | ||
| Road characteristics | Wet | 0.2801 | |||
| Road type | 0.5969 | ||||
| Road surface | 0.2203 | ||||
| Grade | 0.1828 | ||||
| Light conditions | |||||
| Daytime light | 0.8396 | ||||
| Night light | 0.1604 | ||||