If a person, without lawful authority or excuse—
makes a ditch or excavation in a highway which consists of or comprises a carriageway, or
removes any soil or turf from any part of a highway, except for the purpose of improving the highway and with the consent of the highway authority for the highway, or
deposits anything whatsoever on a highway so as to damage the highway, or
lights any fire, or discharges any firearm or firework, within 50 feet from the centre of a highway which consists of or comprises a carriageway, and in consequence thereof the highway is damaged,
he is guilty of an offence.
If a person without lawful authority or excuse pulls down or obliterates a traffic sign placed on or over a highway, or a milestone or direction post (not being a traffic sign) so placed, he is guilty of an offence; but it is a defence in any proceedings under this subsection to show that the traffic sign, milestone or post was not lawfully so placed.
A person guilty of an offence under this section is liable to a fine not exceeding level 3 on the standard scale.