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Table 1 The analyzed criteria of public bus transport service quality

From: An integrated grey AHP-MOORA model for ameliorating public transport service quality

Main criteria Sub-criteria Definition Reference
Approachability
C1
Directness to stops
C1.1
Arriving the stops for travel Duleba et al. [22]; Saif et al. [50]
Safety of stops
C1.2
User’ safety pre-travel at stops Eboli and Mazzulla, [26]; Cheranchery et al. [13]
Comfort in stops
C1.3
heating and cooling systems, seats Miao et al. [42]; Sun et al. [54]
Directness
C2
Need for transfer
C2.1
User demand to change service type or not Cheng and Tseng, [12]
Fit connection
C2.2
The interaction between bus lines or between buses and other types of public services Dimitrov et al. [21]; Jin et al. [36]
Reliability
C3
  The quality of trust deserving, through
delivering the promised services accurately and on specified time
Diab et al. [20]; Soza-Parra et al. [53]
Time availability
C4
Frequency of lines
C4.1
Number of times that public transportation is deployed over a route Deng & Yan [19]
Limited time of use C4.2 Time of starting the service and stopping service during the day Scott et al. [52]
Speed
C5
Travel time
C5.1
Duration of time spent by users on-board between origin–destination points Tétreault & El-Geneidy [56]; Kujala et al. [37]
Awaiting time
C5.2
Pre-travel waiting time for the service at stops Ingvardson et al. [34]; Kujala et al. [37]
Reaching time
C5.3
Duration of time spent by users to reach stops Currie [16]; Ingvardson et al. [34]