Puerto Rico Highway 31

Highway 31
Highway 31
Ruta 31
Route information
	Maintained by Puerto Rico DTPW
Length	25.55 km (15.88 mi)
Existed	1953–present
Major junctions
West end	PR-30 / PR-189 in Ceiba Norte
	PR-198 in Ceiba Norte; PR-9185 in Ceiba Norte; PR-948 / PR-9936 in El Río; PR-936 in Boquerón–El Río; PR-924 in Peña Pobre; PR-191 in Río Blanco; PR-53 in Río Blanco; PR-192 in Río–Maizales; PR-205 in Naguabo barrio-pueblo–Duque; PR-971 in Duque–Mariana;
East end	PR-3 in Mariana
Location
Country	United States
Territory	Puerto Rico
Municipalities	Juncos, Las Piedras, Naguabo
Highway system
	Roads in Puerto Rico; List;

Puerto Rico Highway 31 (PR-31) is a main, rural highway connecting Juncos at Puerto Rico Highway 198 to Naguabo at Puerto Rico Highway 3.^[1]

^ ^a ^b "Tránsito Promedio Diario (AADT)". Datos de Transito 2000-2009 (in Spanish). Puerto Rico Department of Transportation and Public Works. pp. 44–45. Archived from the original on 1 April 2019. Retrieved 29 March 2019.
^ "Juncos, Memoria Núm. 50" (PDF). Puerto Rico Planning Board (in Spanish). 1955. Retrieved 3 August 2020.