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Title Document type Published Publisher
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
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
DSOPM003: Tactile Paving

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This I’DGO design guidance relates to relates to tactile paving. It was first published (in print and online) in September 2012. 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 the safety and comfort of footways. The guidance is based on the views of over 1,400 pedestrians, street audits, laboratory tests and key sources of existing UK guidance. It includes advice on the siting, laying and maintenance of blister and corduroy paving, including which colours and materials to specify.

Secondary Doc. 06/09/12 Inclusive Design for Getting Outdoors (I'DGO) Add icon
Speed and Safety - Evidence from published safety

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For a number of years, there has been considerable interest in the relationship between speed and crashes, and in the most effective way of encouraging drivers to comply with the posted speed limit. The ultimate aim of any road safety policy must be to improve safety. Part of the improvement will be achieved through increases in compliance. This paper brings together a number of different sources within Department for Transport and Ministry of Justice data. It begins to set out a compelling story that over the last few years, compliance with the 30 mph limit has improved, casualties have fallen, and the number of drivers receiving penalty points has also reduced. Perhaps at long last, we are beginning to understand that driving slower in urban areas saves lives.

Research 22/08/12 unknown Add icon
Trials of farside pedestrian signals at a Puffin crossing

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Puffin facilities were devised to increase pedestrian convenience and safety, reduce the number of unnecessary stops for drivers, and provide clearer and consistent signals to road-users by eliminating the flashing sequence at mid-block crossings and the pedestrian signal blackout at junctions. A feature of Puffin crossings is nearside pedestrian signals, the benefits being improved pedestrian compliance, comprehension and observation. However, concern has been expressed on the masking of the nearside signal and the absence of a visible signal once on the crossing. An on-street trial was commissioned by Transport Scotland at a Puffin crossing in Edinburgh fitted with both nearside and farside pedestrian aspects. The study sought to provide recommendations on the standard form of signalised pedestrian crossings in the Disability Discrimination Act: Good Practice Guide for Roads (Transport Scotland, 2009). Overall, the effects of the introduction of the farside signal were neutral or negative, except for the pedestrians’ stated preference for the modified arrangement.

Research 11/06/12 Transport Research Laboratory Add icon
Why does the outdoor environment matter?

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If an older person cannot get out and about locally, they are at risk of becoming a ‘prisoner in their own home’. This four-page, full-colour booklet gives an overview of all I'DGO One and I'DGO TOO research findings on why getting outdoors matters to older people and what key features of the environment help or hinder them in doing so, day-to-day. The text addresses how the design of gardens, streets, neighbourhoods and open spaces can make a difference to older people’s wellbeing and quality of life, covering topics such as: tactile paving; intelligent road crossings; ‘DIY’ and other shared space streets; residential outdoor space; access to neighbourhood green space; the provision of bus stops and shelters; and footpath design and maintenance. It also includes key messages and implications for professionals and policy makers, short notes on sample size and methodology and details of the research team and its partners.

Research 26/04/12 Inclusive Design for Getting Outdoors (I'DGO) 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
Young Drivers' Road Risk and Rurality

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Young and inexperienced drivers are over represented within collision statistics globally and are often the focus of road safety interventions. It was hypothesised that young drivers who live in rural areas are more at risk of collision‐involvement than their urban cousins.

Primary Doc. 02/03/12 Road Safety Analysis Add icon
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