Research Article
Overtaking Safety Evaluation and Setting of Auxiliary Lane on Two-Lane Highway in China
Table 2
Surveying results by Delphi method.
| Expert’s number | Membership thresholds between minor and general conflicts | Membership thresholds between general and serious conflicts | Minimum value | Suitable value | Maximum value | Minimum value | Suitable value | Maximum value |
| 1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.7 | 0.8 | 2 | 0.1 | 0.3 | 0.5 | 0.3 | 0.6 | 0.8 | 3 | 0.4 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 4 | 0.45 | 0.5 | 0.55 | 0.85 | 0.9 | 0.95 | 5 | 0.3 | 0.4 | 0.5 | 0.7 | 0.75 | 0.8 | 6 | 0.1 | 0.25 | 0.5 | 0.5 | 0.75 | 0.9 | 7 | 0.2 | 0.3 | 0.4 | 0.5 | 0.8 | 0.9 | 8 | 0.2 | 0.3 | 0.4 | 0.7 | 0.8 | 0.9 | Average value | 0.24 | 0.36 | 0.48 | 0.58 | 0.75 | 0.86 |
|
|