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Temporary speed limit for Richmond Hill 25 October 2007

A temporary 30mph speed limit has been introduced on the section of Richmond Hill that was resurfaced last weekend.

The temporary limit applies to the Richmond House bend on the A5 Castletown to Douglas Road, from the Rose Hill access lane to the Home of Rest for Old Horses.

The section of the Douglas-bound carriageway was resurfaced after tests were carried out on the skidding resistance of the road, following two accidents on the same stretch of highway on the same day.

Highway Services Manager Nigel Foster explained:

‘The temporary 30mph speed limit is necessary because the initial skid resistance of a newly-surfaced road is temporarily reduced, particularly in wet conditions, and gradually improves as traffic wears away the bitumen coating to the surface aggregate. The exposed stone then has the necessary properties to give the appropriate standards of skid resistance.
‘In normal circumstances, we would not impose a temporarily reduced speed limit. However, in this situation, we have a fairly sharp bend on a high-speed road. In conjunction with the police, we determined that, in the interests of safety, “slippery road” signs, “bend” warning signs and a reduced speed limit are appropriate for a short period.’

The temporary Order for the 30mph zone is for a period of two weeks, from 22nd October until 5th November, or until such time as the necessary skid resistance has been achieved, whichever is earlier.

Mr Foster said:

‘Skid resistance on the resurfaced section is being monitored on a regular basis and the 30mph limit will be removed as soon as safely possible. The speed limit will then revert back to 50mph. However, to highlight the bend and discourage excessive speed, the existing electronic warning sign will continue to be used and will be calibrated to illuminate at a slightly lower speed than the legal speed limit.’

Details of the temporary speed limit are available on

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