Daily load planning under different autonomous truck deployment scenarios

Lama Al Hajj Hassan, Mike Hewitt, Hani S. Mahmassani*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


This paper presents and tests modified service network design formulations that account for five levels of truck automation in a daily load planning setting. Given daily updates of load information, the paths for the five deployment scenarios are adjusted using two daily updating strategies. Both strategies start with a base plan in which paths are generated based on the historic daily distribution of load dispatches during an average week. The two strategies are: (1) Option 1: re-optimization of pre-booked loads and new requests, and (2) Option 2: optimization of new requests only. The solutions of the two strategies are compared to the hindsight plan which assumes complete information of actual requests placed. The presented formulations are tested out on an industry partner's network. Results show that the savings achieved with re-optimization (Option 1) compared to insertion (Option 2) increase with more demand variability; this outcome is consistent across all fleet mixes. When most of the loads are new arrivals, the computational time of the two approaches is comparable and insertion is less attractive than re-optimization. With daily re-optimization, most of the plan changes adjust the terminals visited by a load compared to just changing the dispatch and arrival times along the load's path.

Original languageEnglish (US)
Article number102885
JournalTransportation Research Part E: Logistics and Transportation Review
StatePublished - Oct 2022


  • Automation
  • Autonomous trucks
  • Daily load planning
  • Freight
  • Less than Truckload (LTL)
  • Network design
  • Trucking

ASJC Scopus subject areas

  • Business and International Management
  • Civil and Structural Engineering
  • Transportation


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