Key facts
- Road trips were a popular and affordable family vacation option in the 1960s and '70s.
- The interstate highway system, initiated in 1956, facilitated cross-country travel.
- Increased automobile ownership made road trips a viable option for families.
- Post-WWII economic prosperity provided disposable income for vacations.
- Car breakdowns were a common occurrence during these trips.
- Road trips exposed families to different ways of life across the US.