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Guidance

TAG unit M5-3 supplementary economic modelling

Transport analysis guidance (TAG) on applying supplementary economic models in transport appraisals.

Updates to this page

From:
Department for Transport
Published:
31 May 2018
Last updated:
29 May 2025
Show all updates

  1. TAG unit M5-3 updated.

  2. Added 'Forthcoming change: supplementary economic modelling'.

  3. TAG unit M5-3 supplementary economic modelling updated.

  4. Added 'Forthcoming change: update to wider economic impacts'.

  5. First published.

Documents

TAG unit M5-3 supplementary economic modelling

PDF, 401 KB, 41 pages

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Details

This document gives modelling principles for supplementary economic models in transport appraisals.

The previous version of this guidance was published in November 2024.

TAG 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.

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