(1) On the commencement of section 9, bye-laws made under section 46 (inserted by section 33 of the Act of 1994) of the Principal Act continue in force and are deemed to be bye-laws for the purposes of that section 9 and are to be read as applying -

(a) a speed limit of 50 kilometres per hour, in lieu of the built-up area speed limit of 30 miles per hour,

(b) a speed limit of 60 kilometres per hour, in lieu of the special speed limit of 40 miles per hour, and

(c) a speed limit of 80 kilometres per hour, in lieu of the special speed limit of 50 miles per hour,

and have effect in any county or city to which they apply until such time as bye-laws are made in respect of such county or city under that section.