Research Article
Multiobjective Optimization for Pavement Network Maintenance and Rehabilitation Programming: A Case Study in Shanghai, China
Table 2
Description and key parameters of each M&R treatment.
| | M&R treatment | Treatment description | Average unit cost (￥/) | User disturbance unit cost (￥10,000/AADT/) | PCI improvement |
| | DN | No M&R projects applied | 0 | 0 | 0 | | PM | Chip seal; microsurfacing treatments | 20 | 1.34 | 3 | | LR | Thin overlays (2-3 in. thick) | 84 | 2.68 | 15 | | MR | Overlays (3–5 in. thick) | 195 | 4.69 | 25 | | HR | Reconstruction includes thick overlays and milling | 350 | 6.70 | 40 |
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