Table 1 Results of literature review concerning attributes affecting travelers’ perception of bus service quality

Reliability/ on-time performance/ punctuality/ waiting time/ regularity/ timeliness

Beirão and Cabral [14], Bourgeat [15, 16], Dell'Olio, Ibas and Cecin [16], De Oña, De Oña, Eboli, and Mazzulla [17], De Oña, de Oña, Eboli, Forciniti, and Mazzulla [18], Diab, van Lierop, and El-Geneidy [19], Eboli and Mazzulla [20], Eboli and Mazzulla [50], Hansson et al. [21], Hensher and Prioni [22]; Jianrong et al. [23], Paulley et al. [24], Redman et al. [25], Tyrinopoulos and Antoniou [26], Tyrinopoulos and Antoniou [27]

Frequency

Bourgeat [15], De Oña et al. [17], Eboli and Mazzulla [20], Eboli and Mazzula [50], Hansson et al. [21], Hensher and Prioni [22], Knapp (1997), Mazzulla and Eboli [28], Redman et al. [25], Tyrinopoulos and Antoniou [26]

Travel time/ speed/headway/time

Beirão and Cabral [14], Bourgeat [15], De Oña et al. [17], De Oña et al. [18], Diab et al. [19], Hansson et al. [21], Hensher and Prioni [22], Jianrong et al. [23], Knapp [51](1998), Redman et al. [25]

Fare/price

De Oña et al. [17], Eboli and Mazzulla [20], Hansson et al. [21], Hensher and Prioni [22], Jianrong et al. [23], Knapp [51](1998), Paulley et al. [24], Redman et al. [25], Tyrinopoulos and Antoniou [26]

Information provision/real-time information

Beirão and Cabral [14], Bourgeat [15], De Oña et al. [17], Eboli and Mazzulla [50], Hansson et al. [21], Hensher and Prioni [22], Mazzulla and Eboli [28], Paulley et al. [24], Redman et al. [25], Tyrinopoulos and Antoniou [26], Tyrinopoulos and Antoniou [27]

Walking time to access/ proximity of stops/ access and egress time

Bourgeat [15], De Oña et al. [17], Eboli and Mazzulla [20]; Hensher and Prioni [22]; Paulley et al. [24], Jianrong et al. [23], Tyrinopoulos and Antoniou [26]

Number of stops

Knapp [51](1998), Mazzulla and Eboli [28]

Service provision hours/ operating hours/ operating period/ last bus

Bourgeat [15], De Oña et al. [17], Knapp [51](1998), Tyrinopoulos and Antoniou [26]

Network coverage

Tyrinopoulos and Antoniou [26]

Connectability/ Number and quality of interchanges/Integration of network

Beirão and Cabral [14], De Oña et al. [17], De Oña et al. [18], Hansson et al. [21], Paulley et al. [24]