| Variable Weights ||
| ------------- ||
| *Economic* | 0.4 |
| Construction cost | 0.4 |
| Slope (Proxy for maintenance cost) | 0.1 |
| Regional GDP (of municipalities crossed by the road) | 0.1 |
| Population density| 0.2 |
| Gross agricultural revenues | 0.2 |
| |
| *Environmental* | 0.45 |
| Forest cover | 0.2 |
| Presence of wetlands| 0.1 |
| Mean hydrological balance| 0.1 |
| Degree of human intervention| 0.1 |
| Proximity to protected areas and Indigenous reserves| 0.2 |
| Length of road| 0.2 |
| Type of project (upgrade or new road)| 0.1 |
| |
| *Social*| 0.1 |
| Resistance to road by local population | 0.4 |
| Violation of legal norms | 0.3 |
| External pressure | 0.3 |
| |
| *Cultural*| 0.05 |
| Impact on Indigenous people in voluntary isolation| 0.5 |
| Risk of damage to archeological sites| 0.5 |
