A fuzzy logic approach to dynamic Dial-A-Ride problem
Fuzzy Sets and Systems - special issue on fuzzy sets in traffic and transport systems
A distributed geographic information system for the daily car pooling problem
Computers and Operations Research
Optimal scheduling of emergency roadway repair and subsequent relief distribution
Computers and Operations Research
Survey: Quality of service in dial-a-ride operations
Computers and Industrial Engineering
A model with a solution algorithm for the cash transportation vehicle routing and scheduling problem
Computers and Industrial Engineering
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Most past car pooling studies have focused on the to-work problem (from different origins to a common destination) or the return-from-work problem (from the same origin to different destinations). Pre-matching information, including the carpool partners and the route/schedule for each previously participating vehicle, have rarely been considered. As a result, there has not yet been a suitable method/model developed for solving practical many-to-many car pooling problem with multiple vehicle and person types, as well as pre-matching information, that occur in real-world. In this study we strive to make up this lack by employing a time-space network flow technique to develop a model for this type of car pooling problem with pre-matching information (CPPPMI). The model is formulated as an integer multiple commodity network flow problem. A solution algorithm, based on Lagrangian relaxation and a heuristic for the upper bound solution, is developed to solve the model. To test how well the model and the solution algorithm may be applied to real-world, numerical tests are performed with several problem instances randomly generated based upon data reported from a past study carried out in northern Taiwan. The test results show the effectiveness of the proposed model and solution algorithm.