Guidance: TAG unit A5-3 rail appraisal
Transport analysis guidance (TAG) on the appraisal of rail interventions.
![Guidance: TAG unit A5-3 rail appraisal](/i/news/webtag-tag-unit-a5-3-rail-appraisal-may-2018#2024-05-30T09:00:05Z.jpg)
Gives guidance on the appraisal of rail interventions.
The previous version of this guidance was published in November 2023.
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 31 May 2018 Last updated 30 May 2024 + show all updates 30 May 2024 TAG unit A5-3 updated. 25 April 2024 Forthcoming changes added. 30 November 2023 TAG unit A5-3 updated. 31 May 2023 TAG unit A5-3 updated. 19 April 2023 Added forthcoming change: spring 2023 data book and guidance updates. 30 November 2022 TAG unit A5-3 updated. 19 October 2022 Forthcoming changes for November 2022. 29 November 2021 Updated guidance. 13 October 2021 Notification of forthcoming change for November 2021. 30 July 2021 Updated with new version of unit A5-3 guidance. 31 May 2018 First published. Get emails about this page Print this page Related content TAG: bespoke mode choice models TAG unit A5-2 aviation appraisal TAG: land use transport interaction modelsHighways England news licensed and reproduced under the Open Government Licence v3.0
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