Bus Route Design Problem for Rural Tourism Objectives: A Multiobjective Approach

Table 1

List of notations.

Parameters
r t	The classification and grade of attraction t
u t	The number of likes for attraction t
b t	The web search index for attraction t
cht	The check-ins for attraction t
θ ps	Value of sample s for indicator p
ω p	The weight of indicator p
m	The number of indicators in the tourism bus service evaluation
N K	The total number of tourism bus routes
	The passenger demand between bus stops i − 1 and i
	The value of service evaluation indicator between bus stop i − 1 and i on route k
μ	The cost per unit of time
d a,i,k	The walking distance to bus stop i on route k
	The passenger demand at bus stop i on route k
	The tourist walking speed
f k	The vehicle departure frequency on route k
	The distance between bus stops i − 1 and i on route k
	The speed of the tour bus in-vehicle type
ρ	The in-vehicle crowding coefficient
	The number of seats in the vehicle of type
	The capacity of type vehicles
TTR	The total number of transfers on the tourism bus network
TTU	The number of unsatisfied passengers
t tr	The average walking time per transfer
Τ	The transfer time amplification factor
λ	The transfer penalty
	The direct passenger flow with no transfer as a proportion of the total passenger demand
T max	The maximum travel time for a tourism bus route
γ, φ, α, β	Parameters to be calibrated
Variables
	A binary variable which equals to 1 if attraction t is within the visible area of route k, and 0 otherwise
	A binary variable which equals 1 if stop i is eventually selected as a stop of bus route k, and 0 otherwise
	A binary variable which equals 1 if route k includes the arc (i, j) between stops i and j, and 0 otherwise