Transport analysis guidance (TAG) on the appraisal of aviation interventions.
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This document describes how to apply WebTAG in the context of aviation interventions.
This Transport Analysis Guidance (TAG) unit was updated in December 2015 to reflect changes to TAG unit A3 (environmental impact appraisal) relating to the valuation of noise impacts.
The previous version of this unit was TAG unit A5-2 aviation appraisal, 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: 23 December 2015
From: Department for Transport