Motorways (Traffic Flows)

Part of Oral Answers to Questions — Oral Answers to Questions – in the House of Commons at 12:00 am on 19th January 1983.

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Photo of Mrs Lynda Chalker Mrs Lynda Chalker , Wallasey 12:00 am, 19th January 1983

In the current year we have reduced the delays due to motorway repairs. Our current practice is to adopt a design life of 20 years for new bituminous roads and 40 years for new concrete roads. In determining the strength of a road we take into account the level of future traffic, which is always uncertain, and the capital cost of provision. Varying strengths of roads have been monitored over the years by the TRRL and this work provides a good basis for decisions. We are considering the design life criteria, because I believe that it is high time that they were reviewed.