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Traffic Management


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Title Document type Published Publisher
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
Safety at street works and road works: a code of practice 2013

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The statutory ‘Code of practice 2013’ is a revision to the existing ‘Code of practice 2001’. Known informally as the ‘safety code’ or the ‘red book’, it comes into force on 1 October 2014 and provides updated guidance on safe working at street works and road works sites. The code has been designed to make it simpler to follow and the site layout diagrams have been redrawn to make them easier to understand. It encourages safer working practices and there is more emphasis on risk assessment, providing for pedestrians and other vulnerable road users, and site-specific design. Additional guidance is given on mobile and short duration works and working near tramways and railways, and advice on high visibility clothing and the signing and visibility requirements for works vehicles has been updated. The code also encourages operatives to think about minimising inconvenience to road users.

Legislation 22/10/13 Department for Transport 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
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
Traffic Signs Manual Chapter 4: Warning Signs (2013)

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2013 UPDATE - Through the Traffic Signs Manual, the Department for Transport provides guidance to traffic authorities and sign designers on good practice in respect of the design and use of traffic signs in order to provide appropriate and adequate information for road users. The Manual is published by TSO as a number of discrete chapters each of which deals with a specific signing topic. We have made changes to Chapter 4 to bring it up to date following the amendments that were made to the Traffic Signs Regulations and General Directions 2002. Chapter 4 of the Manual is concerned with signs that warn road users of hazards ahead and was last updated in 2008. The main changes relate to the signing of low bridges and on using the new triangular warning sign that indicates maximum height in both imperial and metric units. Bridge strikes, where vehicles, their loads or equipment collide with bridges, are a significant and recurring problem and the revised guidance gives highway authorities up to date information and demonstrates the Department’s ongoing commitment to tackling the risk.

Primary Doc. 30/07/13 Department for Transport Add icon
DSOPM004: Pedestrian Crossings

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This I’DGO design guidance relates to relates to pedestrian crossings. It was first published (in print and online) in July 2013 and launched at the annual conference of the Local Government Association. It is part of The Design of Streets with Older People in Mind; a toolkit for those who plan, design and maintain the public realm. It can be used as an aid to assessing the ‘walkability‘ of local neighbourhoods, particularly with regards to pedestrian safety and comfort. The guidance is based on the views over 1,600 pedestrians, street audits and key sources of existing UK guidance. It includes advice on providing accessible crossing amenities that send out a consistent message to all users and flags the importance of raising awareness among pedestrians as to how crossings work and why.

Secondary Doc. 02/07/13 Inclusive Design for Getting Outdoors (I'DGO) Add icon
TAL 2/13: bollards and pedestrian movement

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Bollards are a common design of vehicle security barriers (VSB) that are required in certain locations to mitigate criminal or terrorist vehicle-borne threats. Bollard type VSBs provide a solution that resolves many common operational issues faced at busy transport interchanges. Observational surveys and research studies have been carried out under normal travel conditions to assess whether permanent bollards schemes affect pedestrian movement or give rise to additional health and safety concerns. Studies of evacuation scenarios have not been carried out. This traffic advisory leaflet (TAL) outlines the findings of these studies and provides guidance to inform the planning and design of bollard schemes installed for the purpose of hostile vehicle mitigation.

Primary Doc. 23/05/13 CPNI Add icon
Index of Interim Advice Notes (IAN)

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Current set of the Highway's Agency's Interim Advice Notes, including lighting, managed motorways, appraisal technology schemes, bridges, air quality.

Primary Doc. 01/04/13 Highways Agency 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
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