Guidance: TAG: forthcoming changes

Forthcoming change: carbon valuation HTML

Forthcoming change: presentation of carbon impacts in economic appraisal PDF, 354 KB, 15 pages

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Planned updates to transport analysis guidance (TAG), including details of the guidance being updated and planned dates of release in line with the TAG orderly release process.

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 29 November 2018 Last updated 6 October 2023 + show all updates 6 October 2023 Added forthcoming change about carbon valuation.

19 April 2023 Added forthcoming change: spring 2023 data book and guidance updates.

5 April 2023 Added forthcoming change: accounting for COVID-19 in transport modelling.

21 December 2022 Updates to guidance on forecasting and uncertainty.

30 November 2022 Expired forthcoming change notes removed.

29 November 2018 First published.