Metro disruptions due to unexpected events reduce the reliability of transit systems and result in significant productivity loss and long travel delays for passengers. Bus bridging strategy is often used to evacuate stranded passengers during metro disruptions. Most existing studies on bus bridging focus on designating buses to pre-designed routes, which restricts the flexibility of bridging plan and decreases the operational efficiency. This paper develops a plan-based flexible bus bridging strategy, under which a bus will serve an ordered list of disrupted stations instead of a fixed route. Two bus bridging models are formulated to optimize the bridging plans with the objective to minimize the bus bridging time and the total passenger delay, respectively. The proposed models are validated and evaluated through a case study. Results demonstrate that the proposed models are capable of minimizing the bus bridging time and the total passenger delay, as well as balancing bridging time over all disrupted stations.
Optimizing Bus Bridging Strategies during Metro Disruptions Considering Bridging Time and Passenger Delays
17th COTA International Conference of Transportation Professionals ; 2017 ; Shanghai, China
CICTP 2017 ; 1694-1705
2018-01-18
Conference paper
Electronic Resource
English
Optimization of Bus Bridging Service under Unexpected Metro Disruptions with Dynamic Passenger Flows
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