Sadly, it's in Nashville. For those who don't know, TGT is the show being made by Amazon, with Jeremy Clarkson, James May, and Richard Hammond (the previous Top Gear trio). It appears to be every bit as ludicrous as the Top Gear was, and since it isn't subject to BBC regulations, will do all the stuff that they weren't allowed to do before. (Mainly, I think, lots of swearing.)