Guidance

TAG: appraisal of new modes

Transport analysis guidance (TAG) on the appropriate treatment of new modes in transport appraisals.

• From: Department for Transport
• Published: 17 October 2024

Documents

TAG appraisal of new modes, forthcoming guidance for May 2025

PDF, 546 KB, 31 pages

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TAG new modes worked examples, forthcoming guidance for May 2025

ODS, 70.1 KB

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Forthcoming change: appraisal of new modes guidance

https://www.gov.uk/government/publications/tag-forthcoming-changes/forthcoming-change-appraisal-of-new-modes-guidance

Details

Supplementary transport analysis guidance providing advice and worked examples of 2 methodologies to help overcome the ‘new mode problem’ in transport appraisal – the ‘own-cost’ approach and the ‘alternative mode’ approach.

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.

Published 17 October 2024