Grades 1-12 a conceptual understanding vocabulary booklet road safety education

Heavy goods vehi-
cle (hgv)
Goods vehicles over 3.5 tonnes maximum permissible gross vehicle weight 
(gvw)
Helmet
What cyclists, motorcyclists and horse riders wear to protect their heads. 
Helmet
A protective headgear made of hard material that protects the head
Hence 
from that fact, reason or as a result
Highway code
A system of rules and regulations for all road users. The ‘highway code’ book-
let covers the main topics.
Holistically 
Emphasizing the organic or functional relation between parts and the whole
Humps
Something that bulges out or is protuberant or projects from its surround-
ings, for example speed humps for the road
I
Immaturity
Not having reached maturity
Impair 
Make worse or less effective

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Road Safety Education | Vocabulary Booklet
8
Impairments 
A symptom of reduced quality or strength
Impart 
Serve as the medium for transmission, allow movement of
Impediments
Something immaterial that interferes with or delays action or progress
Importer
Any person who, for the purpose of his or her business of selling motor vehi-
cles, imports new or used motor vehicles into the country
Impose
Compel to behave in a certain way
Impracticable 
Not capable of being carried out or put into practice
Inattentiveness
A lack of concentration (as to children or helpless people)
Incalculate
To an immeasurable degree; beyond measurement
Incapacitated
Make unable to perform a certain action