Paragraph 4 Apparatus of statutory undertakers in temporarily restricted streetsI1

Despite the temporary stopping up or diversion of any highway under article 13 (temporary restriction of use of streets), National Grid may at all times take all necessary access across any such highway and execute and do all such works and things in, on or under any such highway as may be reasonably necessary or desirable to enable it to maintain any apparatus which at the time of the restriction or diversion was in that highway.