3. In these Regulations—
the “1970 Act” means the Chronically Sick and Disabled Persons Act 1970;
the “1986 Regulations” means the Road Vehicles (Construction and Use) Regulations 1986(1);
a “Class 1 invalid carriage” means an invalid carriage which is not mechanically propelled;
a “Class 2 invalid carriage” means a mechanically propelled invalid carriage which is so constructed or adapted as to be incapable of exceeding a speed of 4 miles per hour on the level under its own power;
a “Class 3 invalid carriage” means a mechanically propelled invalid carriage which is so constructed or adapted as to be capable of exceeding a speed of 4 miles per hour but incapable of exceeding a speed of 8 miles per hour on the level under its own power;
“horn” has the meaning given by regulation 37(10)(a) of the 1986 Regulations;
“reversing alarm” has the meaning given by regulation 37(10)(c) of the 1986 Regulations;
“road” has the meaning given by section 142(1) of the Road Traffic Regulation Act 1984(2);
“two-tone horn” has the meaning given by regulation 37(10)(d) of the 1986 Regulations.
1984 c. 27. In Scotland the definition of “road” in section 142(1) was substituted by the Roads (Scotland) Act 1984 (c. 54), Schedule 9, paragraph 93(44)(d).