Optimal Bus-Bridging Service under a Metro Station Disruption

Figure 12

The replaceable departure stations passengers prefer to choose when Xizhimen is closed for different closure durations. The red circles represent the alternative origin stations, including the closed station. The size of each circle represents the number of passengers who choose that station, and a larger radius indicates relatively more passengers. (a) shows the duration of 15 minutes; (b) shows the duration of 30 minutes; (c) shows the duration of 45 minutes; (d) shows the duration of 60 minutes.

(a) 15min

(b) 30min

(c) 45min

(d) 60min