To ask the Secretary of State for Transport in what percentage of road accidents resulting in the death or serious injury in each of the last five years vehicle defects were found to be a contributory factor. (152437)

The proportion of reported personal injury road accidents which had “vehicle defects” as a contributory factor was 2.6 per cent. in 2005 and 2.3 per cent in 2006.

2005 is the earliest year for which this information is available.