Guidance

WebTAG: TAG unit A5-3 rail appraisal, December 2015

Transport Analysis Guidance (TAG) on the appraisal of rail interventions.

This publication was withdrawn on

The updated version of this unit is TAG unit A5-3 rail appraisal, July 2017.

Documents

TAG unit A5-3 rail appraisal, December 2015

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TAG unit A5.3 rail appraisal, forthcoming changes, May 2017

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Details

Gives guidance on the appraisal of rail interventions.

This Transport Analysis Guidance (TAG) unit was updated in December 2015 to clarify the 3 sources of potential indirect tax impacts in rail appraisals, from changes in (a) fare revenues / expenditure; (b) car use as a result of mode shift; and (c) rail diesel use; and that (a) — the impact from changes in car use — should be calculated as part of the ‘marginal external cost’ method.

The previous version of this unit was TAG unit A5-3 rail appraisal, November 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.

The forthcoming changes document was added in April 2017.

Published 23 December 2015
Last updated 5 April 2017 + show all updates
  1. Forthcoming changes document added.
  2. First published.