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Diamond Jubilee Way – Speed / Traffic Measuring

As some of you raised we had concerns over the purpose of these appearing in towards the church end of Diamond Jubilee Way last week.

Particularly if someone thought it a good idea to measure traffic speeds / volumes when the school was on holiday !!

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After Councillor Moira Butt made enquiries on our behalf we have received the following statement by way of explanation:

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Dear Councillor Butt,

Thank you for your enquiry.
We are undertaking a number of speed surveys around the borough. The tubes can measure the speed of traffic.
Diamond Jubilee Way was included in the list of roads to be checked as there was a recent complaint about speeding in the road. The purpose of the survey is to measuring traffic speeds rather than traffic volumes.
Regards,
Paul

Paul Blunt
Transport Planning & Programme Manager.
Environment, Housing and Regeneration
London Borough of Sutton
24 Denmark Road, Carshalton, Surrey, SM5 2JG
Tel: +44 (020) 8770 6445, Website: www.sutton.gov.uk
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Still doesn’t quite explain the issue on why it was here when possibly as much as 50% of the traffic volumes but we’ve enquired further !

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UPDATE FROM 13th APR 2015

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Dear Mr Brumwell

The tubes (Speed detectors) were installed during Tuesday 24 March and removed on Tuesday 31 March, therefore it recorded the speed and volume of traffic for the remainder of the normal school week. 

This was the earliest installation date possible and was combined with other detectors installed across the borough for convenience and cost purposes.

The results should give a good indication of the vehicle speeds near this junction, however if the speed and volume results are shown to differ significantly between a normal school day and the holidays, this will be taken into consideration when establishing a realistic average figure for a ‘normal’ school week.

We do not anticipate having to redo the survey at a later date.

Regards,

Paul

 

Paul Blunt

Transport Planning & Programme Manager.

Environment, Housing and Regeneration

London Borough of Sutton

24 Denmark Road, Carshalton, Surrey, SM5 2JG

Tel: +44 (020) 8770 6445, Website: www.sutton.gov.uk