7. Where, by reason of this Order, any part of any highway in which any apparatus is situated ceases to be part of a highway an undertaker may exercise the same rights of access to such apparatus as it enjoyed immediately before the coming into force of this Order, but nothing in this paragraph shall affect any right of Railtrack or of the undertaker to require removal of such apparatus under this Part of this Schedule or the power of Railtrack to execute works in accordance with paragraph 6 above.