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Table 10 Selection of optimum upgrading strategy
From: Comprehensive model for upgrading two-lane road network
Selection criteria | Pavement deterioration | Worn or obsolete safety & traffic control equipment | Inadequate geometry | Significant divergence | Insufficient roadway/pavement width | Low LOS |
|---|---|---|---|---|---|---|
Pavement deterioration | 1 | |||||
Worn or obsolete safety & traffic control equipment | 1 | 1 | ||||
Inadequate geometry | 2 | 2 | 2 | |||
Significant divergence | 2 | 2 | 2 | 2 | ||
Insufficient roadway/pavement width | 3 | 3 | 3 | 3 | 3 | |
Low LOS | 3 | 3 | 3 | 3 | 3 | 3 |
Troublesome or aggressive environmental adaptation | – | – | – | – | 4 | 4 |
