Guidance

TAG unit A2-4 productivity impacts

Transport analysis guidance (TAG) on the analysis of productivity impacts in transport appraisals.

• From: Department for Transport
• Published: 29 May 2020
• Last updated: 28 November 2024 — See all updates

Documents

TAG unit A2-4 productivity impacts

PDF, 716 KB, 46 pages

Details

This document gives guidance on the analysis of productivity impacts in transport appraisals.

The WITA software is in conjunction with this guidance to estimate the wider economic impacts of an appraisal.

The previous version of this guidance was published in May 2024.

TAG provides information on the role of transport modelling and appraisal, and how the transport appraisal process supports the development of investment decisions to support a business case.

Published 29 May 2020
Last updated 28 November 2024 + show all updates

1. 28 November 2024

   TAG unit A2-4 productivity impacts updated.

2. 17 October 2024

   Added 'Forthcoming change: update to wider economic impacts'.

3. 30 May 2024

   TAG unit A2-4 updated.

4. 25 April 2024

   Forthcoming changes added.

5. 29 May 2020

   First published.