Research Article
Recognition Method of Vehicle Cluster Situation Based on Set Pair Logic considering Driver’s Cognition
Table 2
Service level of urban expressway basic section.
| Service level | Density (pcu/km/lane) | Speed (km/h) | Maximum service traffic volume (pcu/h/lane) |
| Smooth | (small) | (large) | 1600 | Slow | (medium) | (medium) | 2100 | Congestion | (large) | (small) | 2100 |
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