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Table 4 The interpretation of service quality attributes
Criteria | Preference function | Min–Max | Measure | Interpretations |
|---|---|---|---|---|
Service quality | – | – | – | – |
Approachability | – | – | – | Line access |
Directness | – | – | – | The ability to reach the destination without changing vehicles |
Reliability | – | – | – | Respecting planned schedules |
Time availability | – | – | – | The time frame of lines from the first line of the day up to the last of the day |
Speed | – | – | – | The speed of traveling process |
Distance to stop | Quasi-criterion | Minimized | Meters | The proximity of the origin stations |
Safety of stop | Usual Criterion | Maximized | Likert scale | Subjective feeling |
Comfort in stop | Usual Criterion | Maximized | Likert scale | Seats, cooling system, heating system |
Need to transfer | Quasi-criterion | Minimized | Number of vehicle changes | The need to change the vehicle to reach the destination |
Fit connection | Quasi-criterion | Minimized | Minutes | The time connection between the lines to reach the destination |
Frequency of lines | Quasi-criterion | Minimized | Minutes | The frequency of the bus, tram, and underground modes |
Limited time of use | Quasi-criterion | Maximized | Hours | The time between the first and the last line of a day |
Journey time | Quasi-criterion | Minimized | Minutes | The time between the on-board and getting-off from the vehicle |
Awaiting time | Quasi-criterion | Minimized | Minutes | Waiting time at the station for the line |
Time to reach stop | Quasi-criterion | Minimized | Minutes | The necessary time to reach the origin station |