54. A person is guilty of an offence if he uses, or causes or permits another to use, a motor vehicle or trailer on a road when—
(a)the condition of the motor vehicle or trailer, or of its accessories or equipment; or
(b)the purpose for which it is used; or
(c)the number of passengers carried by it, or the manner in which they are carried; or
(d)the weight, position or distribution of its load, or the manner in which it is secured,
is such that the use of the motor vehicle or trailer involves a danger of injury to any person.