Guidance

WebTAG: TAG data book, January 2014

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

This publication was withdrawn on

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

Documents

TAG data book, January 2014

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Forthcoming change: updates to the TAG data book

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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.

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 29 October 2013