Guidance

TAG unit A2-2 induced investment

Transport Analysis Guidance (TAG) on the analysis of induced investment impacts in transport appraisals.

• From: Department for Transport
• Published: 29 May 2020
• Last updated: 17 October 2024 — See all updates

Documents

TAG unit A2-2 induced investment

PDF, 662 KB, 30 pages

Forthcoming change: update to wider economic impacts

https://www.gov.uk/government/publications/tag-forthcoming-changes/forthcoming-change-updates-to-wider-economic-impacts

Details

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

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

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.

The previous version of this unit was TAG unit A2-2 induced investment, May 2018. This version has been updated with a change to the formula on page 12.

Published 29 May 2020
Last updated 17 October 2024 + show all updates

1. 17 October 2024

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

2. 29 May 2020

   First published.