Current
Civil & Structural Supplement
DMRB: Pavement
Details calculation methods for traffic loading used in road pavement design and covers: commercial vehicle flows in new and existing road schemes.
Pavement. Design. Supersedes CD 224 Traffic assessment (formerly HD 24/06) (HE, 2020). Revision 0 - March 2020. Replaces HD 24/06. This full document has been re-written to make it compliant with Highways England drafting rules and has also been updated and simplified. Version 0.1.0. Date of publication - September 2025. Incremental changes to requirements, based on 3 years experience of using CD 224 and cyclic review.
National Highways is an executive non-departmental public body, sponsored by the Department for Transport. It has responsibility for operating, maintaining and improving motorways and major A roads in England. Formerly known as Highways England, between 2015-2021 and Highways Agency, between 1994-2015.
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