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Abstract
In the network operation stage of urban mass transit, the connection relations between lines can effectively improve travel accessibility. As the last opportunity to travel on the same day, whether the last train can achieve transfer will directly affect passengers’ travel experiences. It is an important work to make the connection scheme of the last train, which needs to take the network structure, the trend, and the volume of passenger flow into overall consideration. This paper analyzes the characters of the last train connection, including the connection structure and the accessible form. Then, we establish a scheme model and define the objectives, the constraints, and the decision data source, and transform it into a graph theory problem. Taking an urban mass transit network as an example, we demonstrate the solution process by using an improved Prim algorithm. Finally, the main aspects and methods of initial scheme optimization are proposed.
Highlights
Punctuality of urban rail transit and rationality of transfer connection are important factors in improving service quality and attracting passengers to travel by public transport [1]
From the aspects of model building, algorithm selection, and application of basic data, we believe that we propose a new method about last train connection scheme
Aquatinting the last train connection scheme is an important problem faced by operation enterprises in the stage of network operation
Summary
Punctuality of urban rail transit and rationality of transfer connection are important factors in improving service quality and attracting passengers to travel by public transport [1]. The last train is the last opportunity for passengers to travel on the same day. The transfer connection sequence and the departure time of the last train have more direct impacts on passengers’ travel experiences. Influenced by the transfer relations between lines, the connection scheme should not be aimed at a single line but should consider the whole network and implement overall coordination. The objective and the basis of decision-making are the first issues to be considered
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