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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 6 October 2023 +show all updates
Added forthcoming change about carbon valuation.
Added forthcoming change: spring 2023 data book and guidance updates.
Added forthcoming change: accounting for COVID-19 in transport modelling.
Updates to guidance on forecasting and uncertainty.
