If it appears to the highway authority for any highway that a ditch on land adjoining or lying near to the highway constitutes a danger to users of the highway, the authority may—
A highway authority shall pay compensation to the owner or occupier of any land who suffers damage by reason of the exercise by the authority of any power under subsection (1) above.
If a person, without the consent of the highway authority, opens up or keeps open any ditch which has been filled in under subsection (1) above (except as may be reasonably necessary for the purpose of doing work on any pipes placed in the ditch), then—
Nothing in section 263 of the Public Health Act 1936 (which prohibits the culverting of watercourses in certain districts without the approval of the local authority) applies to anything done under subsection (1) above.
A highway authority shall not exercise their powers under subsection (1) above in such a manner as to be likely to cause damage to or affect the drainage of any land or works used for the purposes of a railway or canal undertaking, except—
and any question whether any such requirement is reasonable shall, in default of agreement, be determined by the Minister.
In this section, "ditch" includes a watercourse and any part of a ditch or watercourse, and "pipes" including culverts, tunnels and other works.