Select Committee on Transport, Local Government and the Regions Appendices to the Minutes of Evidence

Annex 5


  The particular 20 zone referred to may well be the one in the DTLR programme (Bricknell Avenue). We don't plan to monitor these schemes because they are largely tried and tested. TRL carried out extensive monitoring of over 200 schemes and their report number 215 published in 1996, on Monitoring traffic calming in 20 mph zones is given as a reference in the DTLR memorandum to the Committee.

  Other than to ask the authorities to furnish us with such accident and speeds data as they should already be collecting we do not plan further monitoring.

  What may be of more interest to the Committee is Kingston Upon Hull City Council's track record on delivery of 20 zones over the past 10 years.

    —  There are now 85 established 20 zones within the city, covering 162 km of road, approximately 500 streets, 23 per cent of all roads in the city. Approximately 10 schemes per year are currently being installed.

    —  Between 1990 and 2000 the total casualty numbers (authority wide) have declined from 1,844 to 1,282.

    —  Their monitoring of established schemes (those in place for 36 months or more) shows an average 56 per cent casualty reduction, 75 per cent for child casualties (both figures all severities).

    —  All schemes have been developed in close consultation with residents, elected members, bus companies and the emergency services.

  More information might be obtainable, but we believe that offered here gives a sufficiently positive picture of the benefits. The results are consistent with those of TRL report 215.

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