The überminimal design gave Saville his first taste of semiotics as an underlying issue in visual communication. To hear him tell it, the abstracted highway represents ‘time, history [and] travel’ even as it resembles everything from a ‘power station [to a] cathedral.’ Saville also noted the ideograph's deeper meaning in terms of ‘history as well as space,’ where it has taken on a cultural significance in addition to its graphic one.