Research Article
An Operation Optimization for Express Freight Trains Based on Shipper Demands
Table 1
Freight demands and their candidate paths.
| Demand OD | Demand volume | Desired service frequency | Desired transit time | Candidate paths |
| - |
25 |
1 |
15 | -- | --- |
| - |
60 |
1 |
13 | -- | --- |
| - |
78 |
2 |
20 | --- | ---- | --- |
| - | 50 | 2 | 18 | -- |
| - |
24 |
1 |
12 | -- | --- |
| - |
26 |
1 |
15 | -- | ---- |
| - |
61 |
2 |
14 | -- | -- |
| - |
46 |
1 |
16 | -- | ---- |
|
|