DMRB: Pavement CD 224 Traffic assessment (formerly HD 24/06) (Withdrawn)
Publication Year
2020
Document Status
Withdrawn
Abstract
Establishes methods for calculating traffic loading used in road pavement design. Covers commercial vehicle flows in new and existing road schemes, looks at the design period, growth and wear factors, the percentage of commercial vehicles in the heaviest loaded lanes and in other lanes and the design traffic.
Document History
Superseded by CD 224 Traffic assessment (formerly CD 224 (rev. 0 inc. HD 24/06)) (NHW, 2025). Pavement. Design. Supersedes HD 24/06 Pavement design and maintenance. Pavement design and construction. Traffic assessment (includes corrections issued November 2006) (HA, 2006). Design manual for roads and bridges (DMRB). 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.
Publisher Information
Highways England
Highways England (formerly Highways Agency) was transformed into National Highways in 2021. It was responsible for the operation, maintenance and improvement of England's motorways and major A roads. It was an executive non-departmental public body, sponsored by the Department for Transport.
National Traffic Operations Centre
3 Ridgeway
Quinton Business Park
Birmingham
HE
UK
Website: www.highways.gov.uk
Email: info@highwaysengland.co.uk
Tel: 0300 123 5000
