After section 404D--
insert--
'(1) A person must not perform a mining activity in a way that obstructs a road, unless the mining activity is expressly authorised under a mining tenement.
Maximum penalty--200 penalty units.
'(2) A person must not, in performing a mining activity, undermine a road in a way that endangers any person using, or likely to use, the road.
Maximum penalty--200 penalty units.
'(3) In this section--
mining activity means an activity for the purpose of mining and includes, for example--
(a) depositing earth or material; and
(b) disturbing the surface of the ground; and
(c) erecting works; and
(d) sinking a shaft.'.