Collection

Transport appraisal and strategic modelling (TASM) research reports

Analysis, appraisal, evaluation, modelling, and research which has been carried out to inform transport decisions and policies.

To ensure that transport systems are effective, transport decisions and policies made by government and the transport sector, are based on:

  • economic and statistical analysis
  • appraisal
  • evaluation
  • modelling
  • research

To provide the best evidence base for planning policies and schemes, mathematical models, guidelines and software are used by DfT to analyse complex transport patterns.

These reports provide details of research which has been carried out to inform transport decision making.

Understanding and valuing the impacts of transport investment

  1. The treatment of non-recoverable VAT in transport appraisal

    • Research and analysis
  2. Transport schemes: appraisal of long term benefits

    • Research and analysis
  3. Rail infrastructure optimism bias study

    • Research and analysis
  4. Understanding and valuing the impacts of transport investment

    • Research and analysis

Economic growth

Valuing journey improvements

  1. Values of travel time savings: scoping study

    • Research and analysis
  2. Values of travel time savings and reliability: final reports

    • Research and analysis
  3. Values of travel time savings and reliability: peer review and audit

    • Research and analysis
  4. Values of travel time: qualitative research on business travel

    • Research and analysis
  5. Values of travel time savings for business travellers

    • Research and analysis
  6. Values of travel time savings: updating the values for non-work travel

    • Research and analysis
  7. Values of travel time savings: analysis of non-work values since 1994

    • Research and analysis
  8. Values of travel time savings: understanding the uncertainty around the non-work values

    • Research and analysis
  9. Peer review of proposals for updated values of travel time savings

    • Research and analysis
  10. International comparisons of transport appraisal practice

    • Research and analysis

Environment and health

  1. 2017 emission curves for use in transport modelling and appraisal

    • Research and analysis
  2. Transport appraisal: valuing health impacts

    • Research and analysis
  3. Ecosystem services in transport appraisal

    • Research and analysis

Forecasting the future demand for travel

  1. Estimation of the national car ownership model

    • Research and analysis
  2. Matrix building for transport analysis

    • Research and analysis
  3. Mobile phone data in transport modelling

    • Research and analysis
  4. Trip rates research for a range of journey types

    • Research and analysis
  5. Rail Demand Forecasting Estimation study: phase reports

    • Research and analysis
  6. Birmingham M6 toll road study

    • Research and analysis
  7. The effect on traffic after opening the M60 (Manchester Motorway Box)

    • Research and analysis
  8. Modelling travel behaviour choices: literature review and suggested practices

    • Independent report
  9. Modelling changes in travel demand

    • Research and analysis
Published 1 July 2013
Last updated 19 June 2018 + show all updates
  1. 'The treatment of non-recoverable VAT in appraisal' and 'Values of travel time savings: scoping study' published.
  2. Agglomerations elasticities literature review added.
  3. Research reports on emission curves, the national car ownership model, trip rates, matrix building and mobile phone data published alongside the JAPD annual report.
  4. Research into valuing health impacts in transport appraisal.
  5. Published values of travel time savings and reliability: final reports and peer review & audit and also published values of travel time: qualitative research on business travel.
  6. First published.