Guidance

WebTAG: TAG unit M1-1 principles of modelling and forecasting, January 2014

Transport analysis guidance (TAG) explains why we use forecasting, modelling and data collection for transport appraisal and why certain methods are used.

Documents

TAG unit M1-1 principles of modelling and forecasting, January 2014

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email webmasterdft@dft.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

This document explains why we use forecasting, modelling and data collection for transport appraisal, and why the methods given in the guidance are used.

WebTAG provides information on the role of transport modelling and appraisal, and how the transport appraisal process supports the development of investment decisions to support a business case.

Chapters

  1. Introduction
  2. Rationale for forecasting and modelling
  3. Data collection
  4. Modelling
  5. Forecasting
Published 29 October 2013