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The whole idea of driving trips was grounded on the concept of going where you wanted for as far as you liked. Particularly in rural parts of America, towns were infrequent, and the hotels in them, if any, varied greatly in cost and quality. If you found yourself driving between towns and it grew dark, continuing on the road was dangerous. Car headlights were still primitive, and even the best roads were poorly marked. Wildlife and livestock frequently ambled across—at night, a deer or cow might be practically on your fender before you realized it. Even if you did reach town safely, its hotels might not have rooms available. If there were rooms, and if the hotel was a nice one with a restaurant, guests were frequently required to “dress for dinner,” coats and ties for gentlemen, nice dresses for ladies.
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Jeff Guinn (The Vagabonds: The Story of Henry Ford and Thomas Edison's Ten-Year Road Trip)