Puerto Rico Highway 139 (PR-139) is a two-way secondary highway in the municipality of Ponce in Puerto Rico. With a length of 25.2 km (15.7 mi), it extends from the interchange of PR-10 and PR-14 located in Barrio Machuelo Arriba to the junction with PR-143 on the Ponce–Jayuya municipal limit.
Northbound sign, a few yards from the start of the route in Ponce, Puerto Rico, looking northeast
Heading south in Barrio Maragüez, Ponce, with the city of Ponce and the Río Portugués channel in the background and the Caribbean Sea in the far background
PR-139R south in Barrio Machuelo Arriba
PR-139 north at PR-139R and PR-5139 intersection in Barrio Machuelo Arriba
Puerto Rico Highway 10 (PR-10) is a major highway in Puerto Rico. The primary state road connects the city of Ponce in the south coast to Arecibo in the north; it is also the shortest route between the two cities.
PR-10 north in Ponce
PR-10, near intersection with PR-503, Barrio Tibes, Ponce, Puerto Rico, looking south
PR-10 north in Arecibo
The Ponce–Adjuntas Road in Ponce circa 1920, now a section of PR-123 that is bypassed by PR-10