Guidance

WebTAG: TAG data book, July 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, December 2017.

Documents

TAG data book, July 2017

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TAG data book: forthcoming changes, December 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 July 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, March 2017.

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 11 July 2017
Last updated 30 November 2017 + show all updates
  1. Forthcoming changes announced to incorporate updated economic and demographic forecasts.
  2. Data book corrected to include forecast fuel cost series for electric large goods vehicles.
  3. Removed some out-of-date superseded data.
  4. First published.