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;

(Opens new window) http://www.dft.gov.uk/publications/coba-11-user-manual/


Access to the latest versions of the software for licence holders of COBA and QUADRO can be found here:(Opens new window) 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.

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