Table 4 Vehicle Kilometers Traveled (VKT) and reduction (%) for different number of hubs and satellites
From: Optimization of a hierarchical hub and satellite network for urban freight on transit
Number of satellites | Number of hubs | |||
|---|---|---|---|---|
Single hub | Multiple hubs | |||
Vehicle kilometers traveled (km) | VKT reduction (%) | Vehicle kilometers traveled (km) | VKT reduction (%) | |
Base case | 2979 | – | 2,979 | – |
5 | 1989 | 33.23 | 2074 | 30.38 |
10 | 1832 | 38.50 | 1989 | 33.23 |
20 | 1782 | 40.18 | 1943 | 34.78 |
30 | 1721 | 42.23 | 1864 | 37.43 |
