Just some toll road in Germany...
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=nurburgring&sll=-40.900557,174.885971&sspn=19.672785,31.59668&ie=UTF8&hq=nurburgring&hnear=&radius=15000&ll=50.365175,6.96456&spn=0.031098,0.094414&t=h&z=14
http://www.thecartorialist.com/wp-content/uploads/2008/11/ringenmodell.jpg
http://www.touringeurope.org/biker-tours/faq/images/nurburgring-nordschleife-circuit.jpg