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Speed Limits

speed limitsThe maximum speed a vehicle can travel on a given road, the limit will vary depending on the environment the road passes through, their strategic importance and the standard of design. 

Documents listed in this section cover Legislation and guidance, Design Speed, mean speeds, Speed Management, Braking Distances, Enforcement, Stopping Sight Distances, safety cameras, 20mph zones and limits.

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Documents

Title Document type Published Publisher
The ITS (UK) 2014 Review

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The 2014 ITS United Kingdom Review contains a wide range of articles by experts on Intelligent Transport Systems topics.

General Information 04/06/14 ITS-UK Add icon
Economic and Environmental Benefits Achieved with ITS

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A short introduction to how Intelligent Transport Systems (ITS) can deliver economic and environmental benefits. The featured examples are Smart Motorways, Point to Point Speed Enforcement, Parking Guidance Systems and Road User Charging.

General Information 17/12/13 ITS-UK Add icon
TAL 3/13: traffic bollards and low level traffic signs

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Discusses the advantages of traffic bollards in certain circumstances, whilst recognising that their over provision can have an unduly negative effect on streetscape and energy consumption. Provides advice on the use of traffic bollards and associated signing for roads with a speed limit of 30 mph or lower and discusses alternatives such as low level signs. It does not cover bollards used to control access or to prevent footway parking or overrunning.

Primary Doc. 23/09/13 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
ITS United Kingdom Spring 2012 Review

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The Spring 2012 ITS (UK) Review contains useful articles on control room management, Intelligent Cities, public transport information systems, camera based enforcement, national traffic management systems, ITS infrastructure, and in-vehicle information systems

General Information 17/05/12 ITS-UK 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
Traffic in Villages Toolkit

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Traffic in Villages is a new publication produced by Dorset AONB Partnership and written by Hamilton-Baillie Associates. It has been written as a toolkit to help Parish Councils and local groups understand the core principles for reducing speed, improving safety and retaining local distinctiveness. We hope that Traffic in Villages will help develop new working relationships between communities and highway authorities by equiping communities with the tools to look closely at their issues and begin to consider new solutions. It is illustrated with case studies and practical advice and includes a checklist to help local surveys. The Toolkit extends the key principles of Manual for Streets and Manual for Streets 2 to support rural communities coping with the impact of traffic in villages and small towns.

Primary Doc. 06/12/11 unknown Add icon
Infrastructure and Cyclist Safety

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The Department for Transport commissioned TRL to conduct a literature review to consider the role of infrastructure in the causation and reduction of injuries to cyclists. It was undertaken as part of the wider research programme, Road User Safety and Cycling, being led by TRL. Overall, it proved problematic to draw definitive conclusions from the literature. Taken as a whole, the most significant infrastructure-related risk factors for cyclists in single vehicle incidents on highways appear to be; slippery road (due to weather), and poor or defective road surface. For multi-vehicle collisions the infrastructure risk factors appear to be; posted speed limits, and encounters with other road users at junctions.

Research 28/11/11 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
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