Homestead Extension of Florida's Turnpike

The Homestead Extension of Florida's Turnpike (HEFT), designated as unsigned State Road 821 (SR 821), is the southern extension of Florida's Turnpike, a controlled-access toll road in the U.S. state of Florida maintained by Florida's Turnpike Enterprise (FTE). Spanning approximately 48 miles (77 km) along a north–south axis, it supplements the 265-mile (426 km) mainline (designated as SR 91) to form the complete 309-mile (497 km) turnpike.

Source: Wikipedia — Homestead Extension of Florida's Turnpike (CC BY-SA 4.0)