Guidance

TAG: forthcoming changes

Record of upcoming changes to transport analysis guidance (TAG).

Documents

Details

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 19 October 2023 + show all updates
  1. Added forthcoming changes about appraisal guidance updates and a new TAG unit on spending objective analysis.

  2. Added forthcoming change about carbon valuation.

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

  4. Added forthcoming change: accounting for COVID-19 in transport modelling.

  5. Updates to guidance on forecasting and uncertainty.

  6. Expired forthcoming change notes removed.

  7. First published.