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.
Last updated
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Added forthcoming change: accounting for COVID-19 in transport modelling.
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Updates to guidance on forecasting and uncertainty.
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Expired forthcoming change notes removed.
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First published.
Update history
2024-04-25 10:00
Added ‘Forthcoming change: spring 2024 data book and guidance updates’ and ‘Forthcoming change: modelling guidance updates’.
2023-10-19 10:00
Added forthcoming changes about appraisal guidance updates and a new TAG unit on spending objective analysis.
2023-10-06 09:30
Added forthcoming change about carbon valuation.
2023-04-19 09:42
Added forthcoming change: spring 2023 data book and guidance updates.
2023-04-05 14:13
Added forthcoming change: accounting for COVID-19 in transport modelling.
2022-12-21 15:35
Updates to guidance on forecasting and uncertainty.
2022-11-30 14:56
Expired forthcoming change notes removed.