Florida State Road 823 (SR 823) is a 20.6-mile (33.2 km) long state highway in the U.S. state of Florida. The road runs from U.S. Route 27 (US 27 or SR 25) in Hialeah to Interstate 595 (I-595 or SR 862) and SR 84 in Davie. The section in Miami-Dade County, through Hialeah and Miami Lakes, is known as Red Road (also known West Fourth Avenue in Hialeah's street grid and West 57th Avenue in the countywide grid). In Broward County, the road turns northwest and merges into Flamingo Road, until its terminus in Davie, though the road continues without designation into Sunrise.