Economic assessment
The Department for Transport estimates of the values for prevention of road casualties and road accidents for use in the appraisal of road schemes. These values are updated annually and have previously been published in Highways Economic Note No.1. Future updates to the HEN 1 series will no longer be available as stand alone documents. After April 2008, please refer to Transport Analysis Guidance (TAG) Unit 3.4.1 'The Accidents Sub Objective' for the latest values for prevention of road casualties and road accidents. This can be found at: http://www.webtag.org.uk/webdocuments/3_Expert/4_Safety_Objective/3.4.1.htm
Please continue use HEN 1: 2005 until updated values are included in TAG Unit 3.4.1.
Archive
Highways Economics Notes No. 1: 2005 (77 kb)
This note gives the Department for Transport estimates of the values of prevention of road casualties and accidents for 2005.
- Published:
- 12 January 2007
Highways Economic Note No. 1: 2004
This note gives the Department for Transport estimates of the values of prevention of road casualties and accidents for 2004.
- Published:
- 02 December 2005
Highways Economics Notes No. 1: 2003 (68 kb)
This note gives the Department for Transport estimates of the values of prevention of road casualties and accidents for 2003.
- Published:
- 17 December 2004
Highways Economics Note No. 1: 2002
This note gives the Department for Transport estimates of the values for prevention of road casualties and road accidents for 2002 - for use in the appraisal of road schemes.
- Published:
- 25 January 2006

