page_title: Design Manual for Roads and Bridges
hierarchical_section_title: Design Manual for Roads and Bridges
caption_attribution_description: English: The A20 Dual Carriageway becomes the M20 Motorway The A20 dual carriageway from London heads under B2173 London Road bridge then heads straight on to become the M20 Motorway heading towards Maidstone. Hence blue sign in the centre. The road on the left is a off-ramp heading to Junction 3 on the M25 Motorway (bridges in background over the motorway). The road on the right is a on-ramp to the A20.
context_page_description: The Design Manual for Roads and Bridges is a series of 15 volumes that provide standards, advice notes and other documents relating to the design, assessment and operation of trunk roads, including motorways in the United Kingdom, and, with some amendments, the Republic of Ireland. It also forms the basis of the road design standards used in many other countries.
  DMRB volumes form part of a suite of technical documents produced by Highways England, which comprises:
  Design Manual for Roads and Bridges
  Manual of Contract Documents for Highway Works
  Asset Maintenance and Operation Requirements which supersedes the Network Maintenance Manual and Routine and Winter Service Codes, and its predecessor the Trunk Road Maintenance Manual
context_section_description: The Design Manual for Roads and Bridges (DMRB) is a series of 15 volumes that provide standards, advice notes and other documents relating to the design, assessment and operation of trunk roads, including motorways in the United Kingdom, and, with some amendments, the Republic of Ireland.  It  also forms the basis of the road design standards used in many other countries. 
  DMRB volumes form part of a suite of technical documents produced by Highways England, which comprises:
  Design Manual for Roads and Bridges (DMRB)
  Manual of Contract Documents for Highway Works (MCHW)
  Asset Maintenance and Operation Requirements (AMOR) which supersedes the Network Maintenance Manual and Routine and Winter Service Codes, and its predecessor the Trunk Road Maintenance Manual
caption: The DMRB is used to design trunk roads such as the A20 in the UK.
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