To ask the Secretary of State for Transport what research his Department has (a) undertaken and (b) commissioned on the impact on road safety of removing or restricting the use of street lighting in rural and semi-rural areas. (85886)

Research has not been undertaken or commissioned by this Department specifically on the impact on road safety of removing or restricting the use of street lighting in rural or semi-rural areas.

The Highways Agency is currently reviewing the technical standard that sets the criteria for provision of road lighting on the strategic road network, including the road safety benefits.