An eco-routing model considering microscopic vehicle operating conditions

Yu Nie*, Qianfei Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

59 Scopus citations


The eco-routing problem concerned in this paper addresses the optimal route choice of eco-drivers who aim to meet an emission standard imposed by regulators, while trying to find the path with the minimum total operating cost, which consists of both travel time and fuel costs. The paper first develops fuel consumption and greenhouse gas emissions estimation models that link emission rates to a vehicle's physical and operational properties. Unlike most studies in the literature, the emission model developed in this paper retains as many microscopic characteristics as feasible in the context of route planning. Specifically, it is able to approximate the impacts of major acceleration events associated with link changes and intersection idling, and yet does not require detailed acceleration data as inputs. The proposed eco-routing model also explicitly captures delays at intersections and the emissions associated with them. Using a simple probabilistic model, the impacts of different turning movements on eco-routing are incorporated. The proposed model is formulated as a constrained shortest path problem and solved by off-the-shelf solvers. Numerical experiments confirm that vehicle characteristics, especially weight and engine displacement, may influence eco-routing. The results also suggest that ignoring the effects of turning movements and acceleration may lead to sub-optimal routes for eco-drivers.

Original languageEnglish (US)
Pages (from-to)154-170
Number of pages17
JournalTransportation Research Part B: Methodological
StatePublished - Jan 1 2013


  • Constrained shortest path problem
  • Eco-routing
  • Emission standard
  • Greenhouse gas emissions
  • Route choice

ASJC Scopus subject areas

  • Transportation
  • Management Science and Operations Research

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