Knowledge Compendium

For pre-2009 projects, please see our index of archived project pages.

Request Information

If you require fur­ther infor­ma­tion regard­ing any of our research projects fea­tured on the Knowl­edge Com­pendium web­site, please send your request by email and include the fol­low­ing details:

  • Your name
  • Your email
  • Your com­pany (if applicable)
  • Project title

Please send your email to:

NB. For gen­eral High­ways Agency queries please email us at or call 0300 123 5000.