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Bristol’s 20 mph experience Peter Mann Service Director, Transport

Learn how Bristol piloted 20 mph speed limits, the positive results, citywide roll-out, public consultation, and the future plans for road safety.

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Bristol’s 20 mph experience Peter Mann Service Director, Transport

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  1. Bristol’s 20 mph experiencePeter MannService Director, Transport

  2. A road speed revolution • Cities and boroughs across the UK are adopting 20 mph limits for road safety and other reasons • Tackling road safety, promoting local communities, improving public health • Increasing awareness of the key facts around speed and collision occurrence as well as injury/risk of death

  3. Aims

  4. Piloting 20 mph in Bristol Two pilot schemes September/October 2010: • Inner South Bristol (Southville, Bedminster, Windmill Hill) • Inner East Bristol (Easton and St Pauls) • Between them they covered 500 roads and 30,000 households with a sign only speed limit • Funded from Cycling City – DfT funded programme (£382k + £98k for pre and post monitoring)

  5. A road speed revolution • Cities and boroughs across the UK are adopting 20mph zones for road safety reasons • They include: Oxford, London Borough of Islington, Lancashire, Warrington, Liverpool, Portsmouth and many more.

  6. A road speed revolution • Cities and boroughs across the UK are adopting 20mph zones for road safety reasons • They include: Oxford, London Borough of Islington, Lancashire, Warrington, Liverpool, Portsmouth and many more.

  7. Piloting 20 mph – the results The results were overwhelmingly positive: • 82% of local residents in the pilot areas supported 20mph • 65% of roads saw a reduction in average speeds • There was a 10 - 36% increase in walking and 4 - 37% increase in cycling • HEAT showed the return on investment of 24:1 walking, 7:1 cycling

  8. Citywide 20 mph roll-out • The pilots were deemed a success • July 2012 Bristol City Council voted to extend the 20 mph speed limit to all residential streets in Bristol • A study, carried out by Bristol Social Marketing Centre at UWE, was also commissioned to establish the most effective ways to implement the change – these included: • …have a vision, get political support, allocate a budget, use the right skills, agree shared outcomes, avoid alienating drivers, be patient, be visible, communicate success

  9. Public Consultation • Extensive informal public consultation sought views on proposed 20 mph speed limit • Feedback via the Council’s “Ask Bristol” website • Public library and local shopping centre exhibitions, supported by officers • Key role of Neighbourhood Partnerships (14 across city) • Information made available online, in local press, via a postcard drop to all households and posters in local shops and community buildings

  10. Citywide 20 mph - the details • Dual carriageway and 40 mph and 50 mph roads not affected • All other roads designated as 20 mph • Sign only scheme with no physical traffic calming measures • Scheme cost £2.3 million funded from Local Sustainable Transport Fund (LSTF) and Local Transport Plan capital

  11. Citywide 20 mph -The fast track roll-out • Phase 1 – January 2014 • Phase 2 – July 2014 • Phase 3 – September 2014 • Phase 4 – March 2015 • Phase 5 – June 2015 • Phase 6 – September 2015

  12. Achieving 20 mph -Engagement programme Vital to ensure as many people as possible knew of the new speed limit, so we: • Ran campaigns to raise the profile of 20mph • Talked about concerns, fears and the benefits of 20mph • Presented to Neighbourhood Partnerships and other community groups • Worked with schools, driving schools and businesses

  13. Achieving 20 mph -Signs and road markings • Solar-powered vehicle activated signs used to remind drivers of the new speed limit • Large road signs installed at key junctions where the speed limit changes

  14. Monitoring Extensive monitoring through to June 2017 outcome report, using: • traffic surveys to record volumes and speeds • casualty data • household interview surveys • qualitative feedback from local councillors and Neighbourhood Partnerships

  15. The Future • Mayoral commitment to review 20 mph • No plan to reverse, but to address local concerns and anomalies • Use maintenance and traffic management programmes to adapt the highway network so 20 mph is better integrated– e.g. centre-line removal, tightening junctions • Continuous engagement - twitter @bristol20mph Facebook/20mphBristol

  16. Lessons learned – so far • Always go back to the evidence • Monitoring is phased too • Social marketing is key • The challenge of the “main roads” And finally – a plug… …Traffic Choices

  17. Email: adrian.davis@bristol.gov.uk

  18. Bristol’s 20 mph experiencePeter MannService Director, Transport

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