State Road 66 running South from Franklin is labeled as Military Road

https://www.google.com/search?site=&source=hp&q=Military+Road+at+Franklin%2C+Arkansas&oq=Military+Road+at+Franklin%2C+Arkansas&gs_l=hp.12...2933.13438.0.15896.36.35.0.1.1.0.202.3682.23j11j1.35.0....0...1c.1.64.hp..0.33.3319.0..0j46j0i131k1j0i131i46k1j46i131k1j0i46k1j0i22i30k1j33i160k1j33i21k1.BJ1i308DW3s

Goggle search: Military Road at Franklin, Arkansas