Stephen PullingerTrees are to be planted alongside roads in four Norfolk villages as part of a �70,000 trial based on the theory that drivers slow down if their side views are restricted.Stephen Pullinger

Trees are to be planted alongside roads in four Norfolk villages as part of a �70,000 trial based on the theory that drivers slow down if their side views are restricted.

The scheme, in Martham, Horstead, Mundesley and Overstrand will involve a range of native trees, including oak, field maple, birch and hornbeam being planted later this month.

It is the latest initiative in a two-year �1.5m project, sponsored by the Department for Transport, to try out new ways of controlling speed in the Norfolk countryside.

Kevin Allen, who is leading the latest project for Norfolk County Council, said: 'It is known that cars tend to slow