Puerto Rico Highway 123

Highway 123
Highway 123
Ruta 123
Route information
	Maintained by Puerto Rico DTPW
Length	78.40 km (48.72 mi)
Existed	circa 1910–present
Major junctions
South end	PR-12 in Playa
	PR-2 in Playa; PR-163 in Canas Urbano; PR-14 / PR-123P in Primero–Cuarto; PR-1 in Primero–Segundo; PR-132 in Canas Urbano; PR-9 in Magueyes Urbano; PR-143 in Saltillo; PR-135 in Juan González; PR-111 in Utuado barrio-pueblo; PR-146 in Río Arriba;
North end	PR-10 / PR-6609 in Hato Viejo
Location
Country	United States
Territory	Puerto Rico
Municipalities	Ponce, Adjuntas, Utuado, Arecibo
Highway system
	Roads in Puerto Rico; List;
	Carretera Núm. 6
	U.S. National Register of Historic Places
Location	Ponce, Puerto Rico
Built	19th-century
NRHP reference No.	100006919
Added to NRHP	September 14, 2021

Puerto Rico Highway 123 (PR-123) is a secondary highway that connects the city of Arecibo to the city of Ponce. It runs through the towns of Utuado and Adjuntas, before reaching Ponce. A parallel road is being built, PR-10, that is expected to take on most of the traffic currently using PR-123.