It is the main route to Guánica and Lajas, and grants access to places such as the Dry Forest of Puerto Rico (Bosque Seco), common for its cacti and dry, desert-like climate, and also to beaches like Parguera in Lajas and Playa Santa in Guánica.

It is divided, two lane-per-direction in the first 4 kilometers before turning one lane-per direction in the rest of its length.

[7] In 2015, this highway was designated as Avenida Agustín "Quino" López Oliveras[8] and renumbered to PR-326.

Puerto Rico Highway 4116 (PR-4116) is the original route of PR-116 through downtown Guánica.

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