Question to the Department for Transport:

To ask the Secretary of State for Transport, what recent comparative assessment his Department has made of the number and proportion of breakdowns in which there is a (a) collision and (b) death on (i) smart and (ii) other motorways.

Collisions across all motorway types that involve a stopped vehicles account for 3.9% of all collisions on the strategic road network. The causes of such a stopped vehicle can be due to breakdown or various other reasons.

The information sought is not held in the requested format. Breakdown information is not captured by the Department to this level of detail when compared with other road traffic collision data.