The relevant legislation is Rights of Way Act 1990 and in partiuclar section 134 set out below. “134Ploughing etc. of footpath or bridleway.
(1)Where in the case of any footpath or bridleway (other than a field-edge path) which passes over a field or enclosure consisting of agricultural land, or land which is being brought into use for agriculture—
(a)the occupier of the field or enclosure desires in accordance with the rules of good husbandry to plough, or otherwise disturb the surface of, all or part of the land comprised in the field or enclosure, and
(b)it is not reasonably convenient in ploughing, or otherwise disturbing the surface of, the land to avoid disturbing the surface of the path or way so as to render it inconvenient for the exercise of the public right of way,
the public right of way shall be subject to the condition that the occupier has the right so to plough or otherwise disturb the surface of the path or way.
(2)Subsection (1) above does not apply in relation to any excavation or any engineering operation.
(3)Where the occupier has disturbed the surface of a footpath or bridleway under the right conferred by subsection (1) above he shall within the relevant period, or within an extension of that period granted under subsection (8) below,—
(a)so make good the surface of the path or way to not less than its minimum width as to make it reasonably convenient for the exercise of the right of way; and
(b)so indicate the line of the path or way on the ground to not less than its minimum width that it is apparent to members of the public wishing to use it.
(4)If the occupier fails to comply with the duty imposed by subsection (3) above he is guilty of an offence and liable to a fine not exceeding level 3 on the standard scale.
(5)Proceedings for an offence under this section in relation to a footpath or bridleway shall be brought only by the highway authority or the council of the non-metropolitan district, parish or community in which the offence is committed.
(6)Without prejudice to section 130 (protection of public rights) above, it is the duty of the highway authority to enforce the provisions of this section.
(7)For the purposes of this section “the relevant period”,—
(a)where the disturbance of the surface of the path or way is the first disturbance for the purposes of the sowing of a particular agricultural crop, means fourteen days beginning with the day on which the surface of the path or way was first disturbed for those purposes; or
(b)in any other case, means twenty-four hours beginning with the time when it was disturbed.
(8)On an application made to the highway authority before the disturbance or during the relevant period, the authority may grant an extension of that period for an additional period not exceeding twenty-eight days.
(9)In this section “minimum width”, in relation to a highway, has the same meaning as in Schedule 12A to this Act.”
(4)For section 135 (temporary diversion of path or way ploughed under section 134) substitute—