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DMRB Volume 6 Section 2 CD 116 Road layout. Design. Geometric design of roundabouts (formerly TD 16/07, TD 50/04, TD 51/17, TD 54/07, TA 23/81, TA 78/97, TA 86/03, TD 70/08)

Publication Year

2019

Document Status

Withdrawn

Abstract

Provides design requirements for roundabouts, covering types, design features, signal-controlled roundabouts, mini-roundabouts, segregated turns and lanes, subsidiary deflection islands, and designing for pedestrians, cyclists and equestrians.

Document History

Supersedes: TD 16/07 Road Geometry. Junctions. Geometric design of roundabouts (HA, 2007), TD 51/17 Road Geometry. Highway Features. Segregated left turn lanes and subsidiary deflection islands at roundabouts (HE, 2017), TD 54/07 Road Geometry. Junctions. Design of mini-roundabouts (HA, 2007), and TA 78/97 Road Geometry. Junctions. Design of road markings at roundabouts (HA, 1997). Partially supersedes: TD 50/04 Road Geometry. Junctions. Geometric layout of signal-controlled junctions and signalised roundabouts (includes correction dated February 2005) (HA, 2004), TA 23/81 Road Geometry. Junctions. Junctions and accesses: determination of size of roundabouts and major/minor junctions (HA, 1988), TA 86/03 Road Geometry. Junctions. Layout of large signal controlled junctions (HA, 2003), and TD 70/08 Road geometry. Links. Design of wide single 2+1 roads (HA, 2008). Design manual for roads and bridges (DMRB). 6.2.3.

Publisher Information

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