Only major roads?

This is Aston Lane, Glasgow. Clearly part of the M8.

http://maps.google.co.uk/?geocode=FUyTVAMdhn2-_w&split=0&sll=53.800651,-4.064941&sspn=6.881357,14.941406&ll=55.875792,-4.291105&spn=0.010762,0.034719&z=15&iwloc=addr&layer=c&bll=55.874637,-4.293066&panoid=Xm3XttHT-h5RSkQ3efp_vA&cbp=12,207.50232481542253,,0,5