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Roundabouts

roundaboutA roundabout is a type of road junction control, at which traffic circulates around a central island.  Vehicles entering the junction must give way to vehicles approaching from the right, circulating the central island.
 

Documents listed in this section cover the design of roundabouts, mini roundabouts, road markings and signalisation. You can refine your search by selecting a narrower topic heading listed below. 
 

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Documents

Title Document type Published Publisher
TAL 01/15 Variable Message Signs

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This guidance is to inform about the use of light-emitting variable message signs (VMS) capable of displaying text and pictograms.

Primary Doc. 13/01/15 Department for Transport Add icon
TAL 1/14 White on red signs at road works

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White on red signs are often used to cover temporary situations at road works. Practitioners are not always aware that they have the flexibility to create such signs using legends tailored to their particular circumstances. This leaflet reminds practitioners of the options available to them when creating these temporary signs and provides some basic design guidelines.

Primary Doc. 12/11/14 Department for Transport Add icon
Traffic Signs Manual Chapter 7: The Design of Traffic Signs (2013)

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UPDATED - Chapter 7 of the Manual is concerned with the design of traffic sign faces. The current edition was last updated in 2003. The changes give highway authorities guidance on how best to incorporate dual unit height limit warning information, and revised weight limits, on directional signs.

Primary Doc. 31/07/13 Department for Transport Add icon
TAL 1/13: Reducing sign clutter

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Over-provision of traffic signs can have a detrimental impact on the environment and can dilute more important messages if resulting in information overload for drivers. This leaflet, gives practical advice on reducing sign clutter. It emphasises that designers should use their engineering judgement and local knowledge to complement guidance to ensure signing solutions are effective.

General Information 02/01/13 Department for Transport Add icon
Operation od Traffic Signals During Low Demands

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Traffic signal design is a science that has been developed through decades to a point where the maximum efficiency can be squeezed out of the most congested of junctions. Conflicting needs of all road users are measured, evaluated and optimised such that the ever-increasing and varying demands continue to be managed with ingenuity and perfection. But roads aren’t always busy. In many cases the very justification for signal control is based on a problem that may only exist for a couple of hours each weekday. Even the most congested networks have their quiet moment, yet, in a deserted city at 3 in the morning, signals still cycle for non-existent traffic. Any driver who ventures into this scenario may sit in frustration at a red light while the ‘intelligent’ control system optimises the signals for phantom conflicting demands. In other countries various techniques are applied to ‘demote’ signalised junctions to priority mode of operation, for example the flashing amber on main road/flashing red on minor road employed in some States of the USA, or signals that simply turn off overnight as in parts of Europe.

Research 04/10/12 Department for Transport Add icon
Traffic Management Techniques for Cyclists: Final Report

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This report focuses on a project undertaken for the Department for Transport (Traffic Management Division) in March 2011 entitled Investigation of Options for Traffic Management Techniques for Cyclists at Signallised Junctions in the Urban Environment. It describes the outcome of a desktop study that investigates the techniques that are in common usage both in the UK and overseas for cyclist provision at traffic signals.

Research 24/09/12 Department for Transport Add icon
TAL 1/12: The Traffic Signs (Amendment) (No.2) Regulations and General Directions 2011

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The Traffic Signs (Amendment) (No.2) Regulations and General Directions 2011 (SI 2011 No. 3041) further amends the Traffic Signs Regulations and General Directions 2002 (“TSRGD 2002” – SI 2002 No. 3113) and came into force on 30 January 2012. Copies of the new SI are available from TSO at a price of £27.25 each. In addition to SI 2011 No. 3041, this Traffic Advisory Leaflet also contains guidance relating to the other sets of amendment regulations listed below, which came into force since the introduction of TSRGD 2002. Therefore, in addition to the current editions of Traffic Signs Manual, this document should be read in conjunction with the listed SIs and associated Traffic Advisory Leaflets, by all those involved in designing and implementing traffic management schemes and in road traffic regulation generally. While this Traffic Advisory Leaflet is intended to assist readers, it is neither legal advice nor a substitute for reference to the relevant legislation - and should not be relied on as such.

General Information 07/03/12 Department for Transport Add icon
The Traffic Signs (Amendment) (No. 2) Regulations and General Directions 2011

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This instrument amends the Traffic Signs Regulations and General Directions 2002 (S.I. 2002/3113, “the TSRGD 2002”). It will come into force on the 30th of January 2012.

Legislation 20/12/11 Department for Transport Add icon
Traffic Advisory Leaflet 5/11 - Quality Audit

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This leaflet gives advice on the use of Quality Audit (QA) in the street design process as outlined in Manual for Streets, Manual for Streets 2 Wider Application of the Principles and Local Transport Note 1/08 Traffic Management and Streetscape.

General Information 14/11/11 Department for Transport Add icon
Management of Electronic Traffic Equipment

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This Code of Practice is the first document within the UK which establishes a series of good practice policies and procedures, obtained from experts, on how to effectively manage the maintenance of fixed location electronic traffic control equipment. The growth of technology in the highways sector has led to improvements in congestion control and a reduction in carbon emissions. Adoption of the recommendations within this code will help local authorities achieve delivery of high quality services. This code will become the fourth code within the current suite of codes, and will sit alongside Well-lit Highways, Well-maintained Highways and the Management of Highway Structures.

Primary Doc. 22/09/11 UK Roads Liaison Group Add icon
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