Puerto Rico Highway 506 (PR-506) is a two-lane tertiary highway in the municipality of Ponce in Puerto Rico. The road runs north to south, joining PR-14, where PR-506 starts, to PR-52 interchange, where it ends. The road is located entirely within Barrio Coto Laurel and its length is 2.0 km (1.2 mi).
Puerto Rico Highway 506 is also called Carretera Dr. Humberto Zayas Chardón (Dr. Humberto Zayas Chardón Road)
National University College seen from Puerto Rico Highway 506
PR-52 south approaching exit 95 to PR-506 in Barrio Coto Laurel
Puerto Rico Highway 506 heading north from Autopista Luis A. Ferré (PR-52)
Puerto Rico Highway 14 (PR-14) is a main highway connecting Ponce to Cayey, Puerto Rico. The road runs the same course as the historic Carretera Central. The Ponce-to-Coamo section of PR-14 was built under the direction of Spanish engineer Raimundo Camprubí Escudero.
Avenida Tito Castro (PR-14), Barrio Machuelo Abajo, Ponce, looking west (PR-14, near km 4.4)
PR-14 westbound at bridge over Río Bucaná on Avenida Tito Castro in Ponce approaching PR-10 (PR-14, near km 5.2)
A former Casilla de Caminero on PR-14 (now Avenida Tito Castro) in Ponce (PR-14, near km 3.1)
Puente de las Calabazas in Coamo (PR-14, near km 38.8)