Puerto Rico Highway 9 (PR-9), also called the Anillo de Circunvalación de Ponce (Ponce's Circumferential Highway), is a limited-access state highway located entirely within the limits of the municipality of Ponce, Puerto Rico, and connecting Puerto Rico Highway 10 in Barrio Portugués in the north to Puerto Rico Highway 52 in barrio Canas in the south, crossing Barrio Magueyes. The Oficina de Ordenación Territorial (Office of Territorial Ordering) of the Autonomous Municipality of Ponce calls this road Ronda de Circunvalación Roman Baldorioty de Castro (Roman Baldorioty de Castro Beltway). The roadway is still under construction.