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
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Your scene ..

Name:  Models #1015 Slot Car Track MG bridge Nashville sc racer TRS .jpg
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*** Your photo has restrictions so I could not turn it !!.