What major highway was completed in Georgia in the 1950s and greatly improved the state’s infrastructure?

The completion of Interstate 75 in Georgia during the 1950s was a significant milestone for the state's infrastructure. This highway ran from the southern tip of Florida to the northern parts of the United States, passing through Georgia and connecting major cities. Its construction facilitated increased trade and travel, leading to economic growth and improving accessibility for residents and businesses alike.

Interstate 75 was particularly important for Atlanta, which became a vital transport hub. The highway's development contributed to the growth of suburbs and the expansion of the metropolitan area, reshaping the region's economy and demographics. The progress made in the 1950s through Interstate 75 laid the groundwork for future transportation networks in Georgia, making it a key player in the interstate highway system.

Other highways mentioned, such as Interstate 10, Interstate 20, and Interstate 85, also play significant roles in the U.S. interstate system and in Georgia's logistics. However, each of those highways came into prominence either later or did not have the same immediate impact on Georgia’s infrastructure as Interstate 75 did during the 1950s.