Design for new pavement construction (formerly HD 26/06). Version 0.2.0

DMRB: Pavement CD 226 Version 0.2.0

National Highways, 2025
Design for new pavement construction (formerly HD 26/06). Version 0.2.0 Download document

Document Status

Current

Supplement

Civil & Structural Supplement

Series

DMRB: Pavement

Abstract

Provides design requirements for constructing new pavements, widening, upgrading or reconstructing existing carriageways on UK motorways and all-purpose trunk roads. Also covers design outputs, use of recycled materials and the pavement design report.

History

Pavement. Design. Supersedes CD 226 Design for new pavement construction (formerly HD 26/06). Version 0.1.0 (NHW, 2021). Version 0 - dated March 2020 - replaces HD 26/06. Version 0.1.0 - dated November 2021 - changes to core document and England NAA, equation 2.43a corrected. Version 0.2.0 - dated September 2025. Incremental changes to requirements, based on 4 years experience of using CD 226, cyclic review and updates to the MCHW.

Subjects

  • Civil engineering, infrastructure and public utilities
  • Transport facilities
  • Roads

Publisher History

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.

Information

NBS

NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

Accuris

We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.