Puerto Rico Highway 516 is a tertiary highway in the northern area of barrio Guaraguao in Ponce, Puerto Rico, as it borders with Adjuntas's barrio Portugues. The road runs through dense mountain vegetation. It runs east to west. It originates at PR-123 and runs west into the internal region of barrio Guaraguao.
Map of PR-516, Adjuntas, 00601, Puerto Rico
References
Puerto Rico Highway 516 Wikipedia(Text) CC BY-SA