Officials said it also caused congestion, as other tall vehicles backed up the single carriageway road.

BBC: Safety survey for Derbyshire accident bridge

English Heritage, which objected to the choice of route, said the single carriageway road would damage the city's 900-year-old cathedral.

BBC: Ely bypass: Council selects 'value for money' route

He said the defendant drove across the single carriageway road into the path of the Fiesta driven by David Evans, husband of the victim.

BBC: Mobile phone driver 'caused fatal crash'

According to the A82 Partnership, there are three times the number of accidents resulting in injury per mile on the section of the road between Tarbet and Ardlui than on the average single carriageway road in Scotland.

BBC: Government commits to A9 dualling

Because the Department of Transport also has figures by type of road, and says the most dangerous is the single carriageway A-road, of which Northumberland certainly has a few.

BBC: Crashes

They moved into the cottages by the Air Balloon roundabout, Birdlip, Gloucestershire, more than 20 years ago when the road was a single carriageway.

BBC: Air Balloon Cottages

The scheme to expand the road between Tonbridge and Pembury from single lanes to a dual carriageway was given preliminary approval earlier this year.

BBC: Kent A21 widening scheme public inquiry announced