| MOE / Scenario | No Underpass | Short Underpass | Long Underpass |
|---|---|---|---|
| Average reduction of vehicles queued | -20% | -30% | -35% |
| Vehicles average waiting time at the intersections variation | From 0 to - 0.5 minutes per vehicle |
From -0.8 to - 1.4 minutes per vehicle | From -2.4 to - 3.2 minutes per vehicle |
| Vehicles fuel consumption in crossing the study area variation | -0.005 € per vehicle | -0.08 € per vehicle | -0.20 € per vehicle |
| Vehicles pollutant emissions variation | 500 g of equivalent CO2 per vehicle | 500 g of equivalent CO2 per vehicle | -500 g of equivalent CO2 per vehicle |
| Realization cost (2017 price) |
1 million € | 10 million € | 13 million € |
| Net Present Value (NPV) (2017 price) |
-0.4 million € for 6 years 1.2 million € for 20 years |
16 million € for 6 years 28 million € for 20 years |
40 million € for 6 years 70 million € for 20 years |
| Pay Back Period (PBP) | 10 years | 6 years | 3 years |