Section 3(1) of the Act of 1961 is amended -

(a) in the definition of "driving", by the substitution of "bicycle, tricycle or powered personal transporter" for "bicycle or tricycle",

(b) in the definition of "mechanically propelled vehicle" -

(i) by the substitution of the following paragraph for paragraph (a):

"(a) a bicycle or tricycle -

(i) with an attachment for propelling it solely by mechanical power or solely by electrical power, whether or not the attachment is being used, and having a maximum design speed of no less than 6 kilometres per hour, or

(ii) capable of propulsion solely by the physical exertions of a person or persons seated on it, and equipped with an auxiliary electric motor -

(I) which has a maximum continuous rated power greater than 0.25 kilowatts, and

(II) the output of which cuts off when the physical exertions stop,",

and

(ii) by the insertion of ", or a powered personal transporter" after "permanent rails",

(c) by the substitution of the following definition for the definition of "pedal bicycle":

"'pedal bicycle' means -