New Roads and Street Works Act 1991

150 Transport authorities, transport undertakings and related matters

(1) In this Part—

(a) “transport authority” means the authority, body or person having the control or management of a transport undertaking; and

(b) “transport undertaking” means a railway, tramway, dock, harbour, pier, canal or inland navigation undertaking of which the activities, or some of the activities, are carried on under statutory authority.

(2) In this Part “major transport works” means substantial works required for the purposes of a transport undertaking and executed in property held or used for the purposes of the undertaking.

(3) References in this Part to a road which crosses or is crossed by property held or used for the purposes of a transport undertaking extend to cases in which the road and the property in question are at different levels.

But the transport authority shall not be treated as a relevant authority as regards undertakers' works in such a road where the property in question consists only of—

(a) subsoil of the road which is held by the transport authority but is not used, and has not been adapted for use, for the purposes of the undertaking, or

(b) property underground at such a depth that there is no reasonable possibility of the works affecting it.

(4) The provisions of this Part relating to a road which crosses or is crossed by property held or used for the purposes of a transport undertaking apply to a road which is or forms part of a towing-path or other way running along a canal or inland navigation, provided the path or way is held or used, or the subsoil of it is held, for the purposes of the canal or inland navigation undertaking.