🛡️6️⃣6️⃣

#route 66 #US Highway #historic route #numbered highway #highway shield #road sign shield

🛡️🛣️

#state route shield #highway sign #road marker #state road #numbered highway

🛣️🛡️7️⃣5️⃣

#interstate 75 #i-75 #specific highway route #highway sign #numbered highway #US route marker