I took apart my “diorama” because I thought it didn’t look great, so I re-purposed the roads (HW track from the 90’s and 00’s) to look like a highway in my lightbox. I used to settings: c. 1970 and c. 2016.
The three main types of cars that pass you on the highway, at least where I live: family crossovers/minivans, bro-trucks, and sports/muscle cars, along with the cars that you pass the most: RVs, trucks, and broken down cars.
And here’s the “Then”, set c. 1970:
Some normal looking cars and a bunch of Firebirds on a car hauler.
Or perhaps even more period correct:
Thanks for looking!