Pillion Passengers (Accidents) Mr. Clinton Davis asked the Secretary of State for the Environment how many pillion passengers on motor cycles or mo-peds or similar vehicles were involved in fatal or serious accidents involving personal injuries during the last 12 months where no third party was involved. Mr. Peyton 546 pillion passengers on motor cycles, scooters or mopeds were fatally or seriously injured in 1969 in accidents in which no other vehicle or pedestrian was involved.