State Route 48 (SR 48) is a state highway located in Arizona, primarily serving the area around the city of Tucson. The route spans approximately 12 miles, connecting Interstate 10 to State Route 77. It provides access to various neighborhoods and commercial areas, facilitating local traffic. The highway is known for its scenic views and proximity to natural attractions, including the Santa Catalina Mountains. SR 48 is an essential route for residents and visitors, offering a convenient way to navigate the region while enjoying the surrounding landscapes.