1. Home

Guidance

WebTAG: TAG unit A5-4 marginal external costs, July 2017

From:
Department for Transport
Published:
11 July 2017

Information on the marginal external costs method in transport modelling and appraisal.

Documents

TAG unit A5-4 marginal external costs, July 2017

PDF, 640KB, 18 pages

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email webmasterdft@dft.gsi.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Information on the marginal external costs method which is based on the change in various external costs such as congestion, air pollution, noise, infrastructure and accidents. The marginal external costs method is the used to estimate the benefits of reducing congestion in the absence of a multi-modal model.

The previous version of this unit was TAG unit A5-4 marginal external costs, December 2015.

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.

Document information

Published: 11 July 2017

From: Department for Transport