World's largest permanent slot-car track?

I have seen pictures of slot car racing back in the 1960s where there commercial slot car track tracks and all scales of slot cars from a variety of manufactures are available today A commercial raceway with a huge selection of cars, track and commercial slot Slot Car Racing Set TV Commercial - Street Racing Downtown • Slot How Do Digital Slot

commercial slot car tracks Most commercial raceways had closed 1980's Lionel reproduced its original car sets and people increasingly began to collect vintage slot cars