HC Deb 10 April 1987 vol 114 c454W
Mr. Gareth Wardell

asked the Secretary of State for Transport what information he has on the relative risk of accident and injury for passengers travelling in(a) minibuses(b) motor caravans and(c) passenger service vehicles and coaches.

Mr. Peter Bottomley

Relative injury-rates for these categories are not available, because: (i) the STATS 119 accident report form does not distinguish between(a) and(b); and (ii) traffic figures giving vehicle kilometres of exposure include (b) with traffic, and(a) with either car traffic or with(c).

In plain English: not much.