Public road - as defined by Vehicle excise and regulations act 1994
Any road that a roads authority has a duty to maintain
Mechanically propelled vehicle
No exact definition.
Mechanically propelled Includes propulsion by internal combustion engine, steam or electricity
A vehicle will remain mechanically propelled providing motive power can be readily applied or reapplied.
Motor vehicle
Is a mechanically propelled vehicle
Intended or adapted
For use on the roads
Road
Anyway other than a waterway
Over which there is a public right of passage by whatever means
And whether subject to a toll or not
And include roads verges
And bridges whether perm or temp
Over which or tunnel through which, the road passes
And any reference to a road includes parts thereof
Moped
Exact definition on PINS
can be considered a motor vehicle that
> has fewer than fewer than 4 wheels
does not exceed 50cc
maximum speed does not exceed 30mph
Provisional moped licence restrictions
Full moped licence restrictions
Motorcycle
Is a mechanically propelled vehicle with less than 4 wheels and not exceeding 410g
Provisional motorcycle licence restrictions
Full motorcycle licence restrictions