Guidance

WebTAG: TAG data book, May 2014

All appraisal and modelling values referred to in the transport analysis guidance (TAG).

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The updated version of this unit is TAG data book, November 2014.

Documents

TAG data book, May 2014

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TAG data book: forthcoming changes, Autumn 2014

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Details

The TAG data book includes all of the appraisal and modelling values referred to in the guidance in 1 workbook.

Forthcoming changes list all current approved changes to the data book.

The data book was updated in November 2014. Changes made to the data book are detailed in the data book’s audit sheet.

The previous version of this data book was TAG data book, January 2014.

WebTAG provides information on the role of transport modelling and appraisal, and how the transport appraisal process supports the development of investment decisions and business cases.

Published 28 May 2014
Last updated 1 October 2014 + show all updates
  1. Added notice of a forthcoming change.
  2. First published.