Guidance

WebTAG: TAG data book, March 2017

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

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The updated version of this data book is TAG data book, July 2017.

Documents

TAG data book, March 2017

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TAG data book: forthcoming change, May 2017

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Details

The Transport Analysis Guidance (TAG) data book includes all of the appraisal and modelling values referred to in the guidance in 1 workbook.

The data book was updated in March 2017. 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, July 2016.

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 March 2017
Last updated 5 April 2017 + show all updates
  1. Forthcoming change document updated for latest releases.
  2. First published.