Equity-Oriented Train Timetabling with Collaborative Passenger Flow Control: A Spatial Rebalance of Service on an Oversaturated Urban Rail Transit Line

Table 2

Numbers of crucial variables and constraints in the model.

Variables or constraints	Dimension
Decision variables
Crucial constraints
Constraint (1)
Constraint (2)
Constraints (3), (20), (22)	1
Constraints (4), (7), (8), (12)–(19), (21)
Constraints (5)-(6)
Constraint (9)
Constraints (10)-(11)