Research Article
Profit Maximization Model with Fare Structures and Subsidy Constraints for Urban Rail Transit
| | Parameters | Description | Baseline value |
| | Average train operating cost per hour (¥/h-vehicle) | 1950 | | Elasticity parameter for wait time (1/h) | 0.6 | | Elasticity parameter for riding time (1/h) | 0.15 | | Elasticity parameter for the fare (1/¥) | 0.1 | | Number of stations | 19 | | Lower boundary of the fare (¥) | 0 | | Upper boundary of the fare (¥) | 7 | | Train dwell time at each station (h) | 1/120 | | Train reversing time (h) | 0.08 | | Train speed (km/h) | 40 | | Idle trains multiplier (the cost of the nonoperating trains is -times of the operating trains) | 0.24 | | Fixed maintenance costs per line kilometer (¥/km) | 3800 | | Cost parameter related to the rail line frequency (¥/h) | 525 | | Reserve factor (the nonoperating trains are -times the number of the operating trains) | 0.25 | | Ratio of waiting time to headway (1/h) | 0.5 | | Lower boundary of the headway (h) | 1/30 h (or 2 minutes) | | Upper boundary of the headway (h) | 1/5 h (or 12 minutes) | | Fixed cost parameter for each station (¥/km) | 4200 | | Service cost parameter per passenger at each station (¥) | 0.5 |
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