Drivers slowing down even as ministers consider allowing them to speed up on motorways

The number of drivers breaking the 30 mph speed limit has dropped by a third in twelve years.
In 1998, 69% of cars on 30 mph roads were above the limit. By 2010 the figure had fallen to 46%.
The reduction in the proportion of cars exceeding 35 mph has fallen even more sharply, by a half in nine years.
In 2001, 32% of cars on 30 mph roads were travelling at more than 35 mph. By 2010 the figure was 16%.
The numbers are revealed in an analysis of speeds in free-flow traffic and accident rates by Dr Kit Mitchell. Speed and Safety: Evidence from published data is co-published by the RAC Foundation and the Parliamentary Advisory Council for Transport Safety (PACTS).
The report also shows that speeds on motorways have reduced too. The percentage of cars exceeding 70 mph fell from 57% in 2003 to 49% in 2010.
Dr Mitchell notes that speed limit offences (fixed penalty notices, convictions in court and written warnings) in England and Wales have declined rapidly in the past few years after a large rise in the 1990s.
.         In 1985 there were 300,000 speed-related offences
.         In 1995 there were 680,000 offences
.         In 2005 there were 2,087,000 offences (the peak)
.         In 2009 there were 1,270,000 offences
While much of the recent decrease in offences (about 60%) could reasonably be put down to better speed limit compliance, the rest could largely be due to more drivers being offered speed awareness courses.
Professor Stephen Glaister, director of the RAC Foundation, said:
“There are two significant things about the fall in speeds. First, they predate the economic downturn and the recent high fuel costs. Second, there is an association between falling speeds in urban areas and falling fatality rates. It is particularly strong for pedestrians. The conclusion is clear.
Whatever the cause of an accident the speed at which it happens will determine its severity.
“There is another interesting part of the story. Even as ministers discuss raising the motorway speed limit to 80 mph, drivers are actually cutting their speeds on this part of the road network.
“While this report only includes data up to 2010, recently released figures for 2011 underline the findings.”
Rob Gifford, executive director of PACTS, said:
“This report brings together a number of data sources that help us to understand what is happening in the real world on our roads. Research shows a proven link between speed choice and crash involvement. If we can encourage drivers to drive within the speed limit, through both educational and enforcement-led interventions, we can continue to make our roads safer.”
The report is available for download in full here.
Main contact: Rob Gifford, executive director of PACTS – 020 7222 7736
RAC Foundation press office: 020 7747 3445 | ISDN 020 7389 0601
Notes to editors:
The RAC Foundation is a transport policy and research organisation which
explores the economic, mobility, safety and environmental issues relating to
roads and their users. The Foundation publishes independent and
authoritative research with which it promotes informed debate and advocates
policy in the interest of the responsible motorist.
The Parliamentary Advisory Council for Transport Safety (PACTS) is a
registered charity and an associate Parliamentary Group. Its charitable
objective is “To protect human life through the promotion of transport
safety for the public benefit”. Its aim is to advise and inform members of
the House of Commons and of the House of Lords on air, rail and road safety
issues. It brings together safety professionals and legislators to identify
research-based solutions to transport safety problems having regard to cost,
effectiveness, achievability and acceptability.
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