I've been to:
SDAC-7 Detroit, MI - Milan Dragway
SDAC-8 Indianapolis, IN Indianapolis Raceway Park
SDAC-9 Joliet IL - Rte 66 Raceway - Cancelled
SDAC-10 Detroit - Milan Dragway
SDAC-11 Canada - Cayuga Dragway (name has changed since then) Started to go but turned for home due to truck noises
SDAC-12 Memphis, TN - Memphis Motorsports Park
SDAC-13 Maryland - Cecil County Dragway
SDAC-14 Chicago, IL - Great Lakes Dragaway Union Grove WI
SDAC-15 Cincinnati, OH Edgewater Motorsports Park
SDAC-16 Topeka, KS - Heartland Park Topeka
SDAC-17 Pittsburgh,Pa Pittsburg Raceway Park
SDAC-18 Detroit, MI - Milan Dragway
SDAC-19 Cincinnati, OH Edgewater Motorsports Park
SDAC-20 Hagerstown MD - Mason Dixon
SDAC-21 Waukegan, IL - Great Lakes Dragaway