In 2001 a European Commission Directive was introduced to establish a test method for assessing rolling noise emissions from tyres and set limit values for different types of tyres. These tests are conducted prior to new vehicles entering the fleet and are referred to as type approval tests. The Directive also set out its intention to introduce more stringent type approval limit values for tyres in the future.
Since the Directive was first introduced, several proposals have been put forward recommending changes to the type approval noise limits for tyres. In readiness for discussions with the European Commission (EC) regarding these proposals, the Department for Transport (DfT) is preparing an initial impact assessment to determine the effect of these proposals on the UK.
This project was commissioned to examine the monetised benefits of each of these proposals, with respect to a base year of 2006, up to the year 2025.

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