Well according to ebay…. The cross fence is in an expanding fence available in two diffrent heights. Gates are also available to match.
They will email you with cost of delivery dependant on quantity of order,
Think your right mate
EDIT: I just looked up Newbury The cross fence stands alone on the side of the track just before the turn into the home straight.
As has been said, a cross fence or hurdle is the one on an oval course that is on the section between the straights like they have at Aintree and Newbury. A regulation fence is the Irish term for an open ditch because steeplechasing regulations say there should be at least 2 ditches per circuit.