was the A555 Manchester Airport Relief Road, which was hit by closures over the duration of the four-day weather event.The investigation found there were problems with the road’s drainage network - with pumps being overwhelmed and storage ponds overflowing - but that this mainly affected the highway itself, and had ‘little effect’ on downstream flooding.A pumping station at Hall Moss Lane - part of a section known as ‘Network E’ - was operating with one temporary pump, which was supplemented