Design Manual for Roads and Bridges: Volume 13
Economic Assessment of Road Schemes
Users of this guide for the computer program COBA (COst Benefit Analysis) should refer to the Department of Transport website for a version of this document that is updated at more regular intervals. Please click on the following hyperlink;
Access to the latest versions of the software for licence holders of COBA and QUADRO can be found here:http://www.dft.gov.uk/cobaquadro/. It also provides a support section in the form of frequently asked questions (FAQs) and access to electronic copies of the user manuals.
All the material previously located in the ‘Quick Links’ area of this page can now be found in the new ‘Further Further Technical Information’ section.