Back in the day, roads were barely paved. There were no road signs that told which direction one is needing to go to get to the destination, and there were no gas stations to fill up the tanks either.
Cars were most likely to breakdown, and there would not be any stores to get it fixed at. In today’s society, if one is hungry while driving down the road in a town he or she has never been in before, one would just pull over to the nearest fast food restaurant and grab a bite to eat. If one was hungry while being on a road trip back then, they would have to pack their own different kinds of snacks and foods.