The Highways Act 1980 s148(c) and 149 make it an offence to deposit anything on the highway �to the interruption of any user of the highway� (Level 3 fine).
If such an offence occurs the owner of the object may be issued with a notice to remove within a set time. If this notice is not complied with the local authority may
apply to a magistrate�s court for a removal and disposal order.
And c.137(1) make it an offence to obstruct free along a highway - level 3 penalty , maximum �1000.
If the object is considered a danger to users of the highway, or ought to be removed immediately, then the authority can remove the object immediately and reclaim expenses.