What did you expect from a thread that went five-and-a-half-years without a reply?!
"Think of the fact that there's not one state in the 50 that has the death penalty for speeding...although I'm not so sure about Ohio." (The Cannonball Run)
It's a little funny to put a post about the AMT Turnpike cars in the "Whats new" forum.
I guess you could refer to it as state of the art 48 year old technology.
I have a complete set in the box, one extra car and controller plus some extra parts. Once one of my kids goes off to school (and I get their room for my toys) I would like to set it up. There is a cult following that supplies some wear parts to keep these things working.
Check youtube. There are a couple videos showing them in action.