A shortest-path algorithm for the departure time and speed optimization problem

Anna Franceschetti, Dorothée Honhon, Gilbert Laporte, Tom Van Woensel

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We present a shortest-path algorithm for the departure time and speed optimization problem under traffic congestion. The objective of the problem is to determine an optimal schedule for a vehicle visiting a fixed sequence of customer locations to minimize a total cost function encompassing emissions cost and labor cost.We account for the presence of traffic congestion, which limits the vehicle speed during peak hours.We show how to cast this problem as a shortest-path problem by exploiting some structural results of the optimal solution. We illustrate the solution method and discuss some properties of the problem.

Original languageEnglish
Pages (from-to)756-768
Number of pages13
JournalTransportation Science
Volume52
Issue number4
DOIs
Publication statusPublished - 1 Jul 2018

Keywords

  • Scheduling
  • Shortest path
  • Speed optimization

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation

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