Highways England

Highways England is now known as National Highways and 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 and was formerly known as Highways Agency.

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

Documents by this publisher

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Series details	Title	Year	Status
DMRB Volume 4 Section 2 CG 501	Drainage. Design. Design of highway drainage systems (formerly HD 33/16, TA 80/99)	2019	Withdrawn
DMRB Volume 4 Section 2 CG 501 Revision 1	Drainage. Design. Design of highway drainage systems (formerly HD 33/16, TA 80/99). Revision 1 (Withdrawn)	2019	Withdrawn
DMRB Volume 4 Section 2 Part 3 (HD 33/16)	Geotechnics and drainage. Drainage. Design of highway drainage systems (Withdrawn)	2016	Withdrawn
DMRB Volume 4 Section 2 Part 3 (CD 526)	Drainage. Design. Spacing of road gullies (formerly HA 102/17)	2018	Withdrawn
DMRB Volume 4 Section 2 CD 526 Revision 3	Drainage. Design. Spacing of road gullies (formerly HA 102/17). Revision 3	2020	Current
DMRB Volume 4 Section 2 CD 526 Rev 1	Drainage. Design. Spacing of road gullies (formerly HA 102/17). Revision 1	2018	Withdrawn
DMRB Volume 4 Section 2 CD 526 Rev 2	Drainage. Design. Spacing of road gullies (formerly HA 102/17). Revision 2	2019	Withdrawn
DMRB Volume 4 Section 2 Part 3 (HA 102/17)	Geotechnics and drainage. Drainage. Spacing of road gullies	2017	Withdrawn
DMRB Volume 4 Section 2 Part 3 (HA 102/17)	Geotechnics and drainage. Drainage. Spacing of road gullies (Incorporating amendment dated February 2018)	2017	Withdrawn
DMRB Volume 4 Section 2 CD 527	Drainage. Design. Sumpless gullies (formerly HA 105/17) (Withdrawn)	2019	Withdrawn
DMRB Volume 4 Section 2 Part 3 (HA 105/17)	Geotechnics and drainage. Drainage. Sumpless gullies (Withdrawn)	2017	Withdrawn
DMRB Volume 4 Section 2 CD 521	Drainage. Design. Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06) (Withdrawn)	2019	Withdrawn
DMRB Volume 4 Section 2 Part 4 (HA 37/17)	Geotechnics and drainage. Drainage. Hydraulic design of road-edge surface water channels (Withdrawn)	2017	Withdrawn
DMRB Volume 4 Section 2 HA 41/17	Geotechnics and drainage. Drainage. Permeameter for road drainage layers (Withdrawn)	2017	Withdrawn
DMRB Volume 4 Section 2 CD 525	Drainage. Design. Design of combined surface and sub-surface drains and management of stone scatter (formerly HD 217/18) (Withdrawn)	2020	Withdrawn
DMRB Volume 4 Section 2 CD 528	Drainage. Design. Vortex separators for use with road drainage systems (formerly HD 220/18)	2020	Current
DMRB Volume 4 Section 2 CD 535	Drainage. Design. Drainage asset data and risk management (formerly HD 43/04, IAN 147/11)	2019	Withdrawn
DMRB Volume 4 Section 2 CD 535 Revision 1	Drainage. Design. Drainage asset data and risk management (formerly HD 43/04, IAN 147/11). Revision 1	2019	Withdrawn
DMRB Volume 4 Section 2 Part 4 (HD 217/18)	Geotechnics and drainage. Drainage. Alternative filter media and surface stabilisation techniques for combined surface and sub-surface drains (Withdrawn)	2018	Withdrawn
DMRB Volume 4 Section 2 CD 523	Drainage. Design. Determination of pipe roughness and assessment of sediment deposition to aid pipeline design (formerly HA 219/09) (Withdrawn)	2019	Withdrawn

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