National Highways

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.

Website: https://www.gov.uk/government/organisations/national-highways
Email: info@nationalhighways.co.uk

Documents by this publisher

Series details	Title	Year	Status
DMRB: Drainage CD 535 Version 1.1.0	Drainage asset data and risk management (formerly HD 43/04, IAN 147/11). Version 1.1.0	2021	Current
DMRB: Drainage CG 501 Version 2.1.0	Design of highway drainage systems (formerly HD 33/16, TA 80/99). Version 2.1.0	2022	Current
DMRB: Drainage CS 551 Version 1.1.0	Drainage surveys (formerly SD 15/03). Version 1.1.0	2025	Current
DMRB: Geotechnics CS 641 Version 0.0.1	Managing the maintenance of highway geotechnical assets (formerly HD 41/95). Version 0.0.1	2024	Current
DMRB: General Principles and Scheme Governance GD 301	Smart motorways (formerly IAN 161/15 and MPI 66). Version 0.0.1	2021	Current
DMRB: General Principles and Scheme Governance GD 368 Version 0.0.1	Infrastructure requirements for emergency access and egress from motorway and all‐purpose trunk roads (formerly IAN 68/05). Version 0.0.1	2024	Current
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 17-Jan-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 28-Feb-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 31-Mar-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 30-May-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 30-Sep-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 31-Oct-2025	2025	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index. 28-Nov-2025	2025	Current
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 15-Oct-2023). 31-Oct-2023	2023	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Apr-2022). 30-May-2022	2022	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Feb-2022). 31-Mar-2022	2022	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Feb-2023). 30-Apr-2023	2023	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Jul-2022). 30-Aug-2022	2022	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Jun-2024). 31-Jul-2024	2024	Withdrawn
DMRB: General Principles and Scheme Governance GG 000	Design manual for roads and bridges index (formerly GG 000 28-Oct-2021). 29-Nov-2021	2021	Withdrawn