8. Nothing in paragraphs 4(4), 5(3), 6, 7(3) and (4) shall authorise the Environment Agency to execute works on or affecting any operational railway without the consent of the undertaker, such consent not to be unreasonably withheld.
8. Nothing in paragraphs 4(4), 5(3), 6, 7(3) and (4) shall authorise the Environment Agency to execute works on or affecting any operational railway without the consent of the undertaker, such consent not to be unreasonably withheld.