The multiple frequency delivery operations in the time-definite delivery industry

C. C. Lin, Y. C. Wu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The pure hub-and-spoke network is an efficient network structure for time-definite freight delivery common carriers. Centres perform pickup and delivery functions, while hubs consolidate partial loads. This substantially reduces the transportation costs with only a small increase in the handling cost. In Taiwan, as well as in the US, carriers run their delivery operations once a day. As a result, the feeder fleet is under-utilized. This research studied the impact of multiple frequency delivery operations on the feeder fleet size. We formulated line-haul operations planning for multiple frequency delivery operations as an integer programme. We developed an a-optimal implicit enumeration algorithm and used two small networks from the third largest carrier in Taiwan for numerical testing. The results demonstrated a smaller feeder fleet size compared with the single frequency delivery operations.

Original languageEnglish
Pages (from-to)1215-1224
Number of pages10
JournalJournal of the Operational Research Society
Issue number11
Publication statusPublished - 2001 Nov

All Science Journal Classification (ASJC) codes

  • Management Information Systems
  • Strategy and Management
  • Management Science and Operations Research
  • Marketing


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