During the mid-1920s, highway connections from Junction to Menard and San Angelo were made available. A sewer system was built in 1929. In the 1930 census, the city recorded 1,415 residents. Junction was the chief shipping and commercial center of Kimble County, as well as a tourist resort and hunting center. A new municipal building and fire station were opened in 1939 and 1940, respectively. In the mid-1940s, the cedar-oil business enhanced the economy, but the city's growth slowed. Throughout the latter half of the 20th century and into the 21st, Junction's population continued to hover around 2,600.