The development of a nationwide network of controlled-access highways facilitated commerce and personal travel, leading to greater expenditure on goods and services. For example, easier access to distant markets spurred automobile sales and related industries like gasoline and hospitality. This, in turn, created jobs and fueled economic growth. Improved transportation infrastructure also facilitated suburban expansion, increasing demand for housing and associated consumer goods.
This national infrastructure project played a crucial role in shaping the American economy and landscape in the mid-20th century. It not only boosted economic activity but also fostered national unity by connecting communities across the country. The increased mobility provided by this network profoundly impacted industries such as tourism and manufacturing, allowing for more efficient distribution of goods and services. This contributed significantly to the post-war economic boom and the rise of a consumer culture.