Identification and Optimization Models for a Freight-Integrated Transportation Corridor With Line Importance and Freight Communication Capability

Identifying and optimizing a freight-integrated transportation corridor is a complicated problem. Currently, corridor structure optimization approaches, such as the mode split rate of freight transportation in the corridor, are topics of discussion. However, identifying the corridor lines and clustering the lines into the same corridor are the keys to reasonably optimizing the corridor. To this end, this paper establishes a corridor selection model from the importance of routes and freight communication capacity point of view and designs a corridor-clustering algorithm based on the DBSCAN clustering algorithm to optimize the transportation corridor. This method is applied to the example of freight transportation in Jilin Province, China, to demonstrate the performance of this model and algorithm.