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The Traffic Systems & Signing RegistrySelect a DMRB Volume
Including amendment dated February 2013
Select a MCHW Volume
Including amendment dated November 2009
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;
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: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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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.