Nashville,call you " Nash " for short.
Those track shots look great - even if sideways as taken on a camera I guess. ***
The one with the MG "Safety Fast " overbridge - is that modeled on Sebring ? as brings this scene to mind. Photo from the Dave Friedman book " Corvette Grand Sports " 1;43 models by Universal Hobbies - Eagles Race brand.

Name: Models #1111 Corvette GS Sebring photo and models R Dowding .jpg Views: 3602 Size: 101.1 KB

Your scene ..

Name: Models #1015 Slot Car Track MG bridge Nashville sc racer TRS .jpg Views: 2478 Size: 105.9 KB

*** Your photo has restrictions so I could not turn it !!.