A filter was painted on the road last year, with a planning application now lodged to raise the junction – which the States Traffic and Highways Services said will make it even more obvious to motorists.

“The painted filter was very much seen as the next stage in attempting to improve safety at what was one of the more difficult – from a road safety perspective – junctions in the island,” said THS.

“Accident numbers have reduced since the filter was installed but we are aware that some motorists don’t appear to realise that the junction is now under filter control. A raised table should address this aspect and this is what is currently being proposed.”

There had been one reported accident at the filter since it was first painted on the road last year, in July this year, which left a car damaged. 

Before the filter was painted there were more accidents Guernsey Police had said.

The filter was initially put in for a 12 month trial but is now staying on a permanent basis. 

Pictured: The Longfrie filter could be given a raised surface.