19U.K.Section 58(1) and (2) of the Highways Act 1980 (special defence in action against highway authority for damages for non-repair of highway) applies to an action against the nominated undertaker in respect of damage resulting from its failure to maintain a highway under paragraph 17(2) or (3)(a) as it applies to an action against a highway authority as mentioned in section 58(1) of that Act (and references in section 58(1) and (2) to the highway authority are to be read accordingly).