Transport modelling and appraisal

Transport analysis guidance, modelling and research including WebTAG.

Guidance and regulation

  1. Transport analysis guidance: WebTAG
  2. WebTAG: TAG data book, May 2018
  3. Transport users benefit appraisal: software and user manuals
  1. WebTAG: TAG unit A2-1 wider economic impacts, May 2018

    • Guidance
    • Department for Transport
  2. WebTAG: TAG unit M3-1 highway assignment modelling, January 2014

    • Guidance
    • Department for Transport
See all guidance and regulation

News and communications

  1. Review of decision making in the Department for Transport

    • Department for Transport
    • Written statement
See all news and communications

Policy and engagement

  1. Transport appraisal and modelling strategy: informing future investment decisions
  2. Understanding and valuing the impacts of transport investment: wider impacts transport appraisal guidance (WebTAG)
  3. Monitoring and reviewing railway markets
  1. DfT value for money framework

    • Department for Transport
    • Policy paper
  2. Factors which affect road traffic

    • Department for Transport
    • Independent report
See all policy and engagement

Transparency

  1. National Transport Model: implementation report

    • Department for Transport
    • Research
  2. National Transport Model: calibration and validation

    • Department for Transport
    • Research
  3. Values of travel time savings: scoping study

    • Department for Transport
    • Research
  4. The treatment of non-recoverable VAT in transport appraisal

    • Department for Transport
    • Research
  5. Rail Demand Forecasting Estimation study: phase reports

    • Department for Transport
    • Research
See all transparency