Sensitivity analysis ofwelfare, equity, and acceptability level of transport policies

R. Connors, M. Patriksson, C. Rydergren, Agachai Sumalee, D. Watling

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

2 Citations (Scopus)


Transport planners face a major challenge to devise policies to meet multiple expectations and objectives. While we know that transport networks are complex, multi-modal, and spatially distributed systems, there is now a long history of mathematical tools which assist planners in understanding travel movements. However, the objectives that they are asked to achieve do not always admit such a quantification, and so there is a potential mismatch between seemingly qualitatively driven objectives and quantitatively expressed models of the transport system. In the present chapter we address this mismatch, by focusing on three objectives that we believe represent the typical interests of a planner. These are namely: is the policy economically justifiable (efficient), is it “fair” (equitable), and is it justifiable to a democratic society (acceptable)? We provide mathematical representations of these three objectives and link them to mathematical theory of transport networks, in which we may explore the sensitivity of travel behaviour (and hence the objectives) to various multi-modal transport policies. The detailed steps for representing the policy objectives and sensitivities in the network are set out, and the results of a case study reported in which road tolls, road capacities, and bus fares are the policy variables. Overall, the chapter sets out a systematic method for planners to choose between multi-modal policies based on these three objectives.
Original languageEnglish
Title of host publicationOptimization, Control, and Applications in the Information Age - In Honor of Panos M. Pardalos’s 60th Birthday
PublisherSpringer New York LLC
Number of pages27
ISBN (Print)9783319185668
Publication statusPublished - 1 Jan 2015
Externally publishedYes
EventConference on Optimization, Control and Applications in the Information Age, 2014 - Macedonia, Greece
Duration: 15 Jun 201420 Jun 2014


ConferenceConference on Optimization, Control and Applications in the Information Age, 2014


  • Combined network equilibrium model
  • Entropy
  • Equitability and acceptability measures
  • Sensitivity analysis
  • Urban traffic travel mode and route choice modelling
  • Welfare

ASJC Scopus subject areas

  • Mathematics(all)


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