Dave,
This information came from 'Everything Road Runner'
In 1968, there were approximately 1900 Chrysler-Plymouth Dealerships
thoughout the United States.
1000 were labeled as Large to Mid-Level Sales
450 were labeled as Intermediate Sales
450 were listed as Small Division
Not sure on the distribution of the 68' Road Runner.
Sales numbers were 46,054.
I would think, that the 1000 or so Large to Mid-Level Sales dealerships
sold 80% of the cars, (approximately 35,000).
The other 900 dealerships, probably sold 10,000 or so.
Going by those numbers, even the smallest of the Plymouth Dealerships
had to sell at least 5 Road Runners in the 1968 sales year.
One of the 1019 Hemi Road Runners built for 1968.
pc