THE ULTIMATE ONROAD TRACK DESIGN?
#2
An oval with an inner track is the way to go, a model we had in mind a long time ago:
http://www.euronet.nl/users/tooms/club.htm
http://www.euronet.nl/users/tooms/club.htm
#4
#5
#6
#8
#10
#11
#12
Some dutch tracks: