Mud causes skidding and is therefore dangerous and a nuisance. Highways Act 1980 Section 161 states: “If a person, without lawful authority or excuse, deposits anything whatsoever on a highway in consequence of which a user of the highway is injured or endangered, that person is guilty of an offence”.




Mud on the roads: Advice for farmers using public highways ...



https://www.nottinghamshire.police.uk/advice/mud

Sorry to hear that Ben, this is taken directly from a police website.