§ 1230. Effect of regulations. (a) The parent of any child and the guardian of any ward shall not authorize or knowingly permit any such child or ward to violate any of the provisions of this article.

(b) These regulations applicable to bicycles or to in-line skates shall apply whenever a bicycle is, or in-line skates are, operated upon any highway, upon private roads open to public motor vehicle traffic and upon any path set aside for the exclusive use of bicycles, or in-line skates, or both.