So Jepsen changed the pixel layout, eliminated some costly color filters and changed the electronics so the display could be read even if the computer processor were dormant.
Mr Swain, the council's major highways project manager, admitted that drivers were "probably confused" because the layout of lanes had changed a number of times.
More fundamentally, however, in recent years Giordano has changed its corporate culture to concentrate on such soft skills as inventory management, store layout, service and style.