| State: | PR |
| Type: | PR |
| Route: | 143 |
| Map: | Mapa de la carretera PR-143 en Ponce, Puerto Rico (M143).svg |
| Length Km: | 58.7 |
| Established: | 1953[1] |
| Direction A: | West |
| Terminus A: | in Saltillo |
| Junction: |
|
| Direction B: | East |
| Terminus B: | in Helechal |
| Municipalities: | Adjuntas, Utuado, Ponce, Jayuya, Juana Díaz, Orocovis, Villalba, Coamo, Barranquitas |
| Previous Type: | Sec |
| Previous Route: | 142 |
| Next Type: | Sec |
| Next Route: | 144 |
Puerto Rico Highway 143 (PR-143) is a secondary highway that connects the town of Adjuntas to the town of Barranquitas.
Heading east from Adjuntas, PR-143 runs through the northern border of the municipality of Ponce, before reaching Orocovis and then Barranquitas.
The road is a major part of Puerto Rico's Panoramic Route, being the major middle component of such route. It crosses Toro Negro State Forest, and leads to such landmarks as Cerro de Punta and Lago El Guineo lake.[2] The Orocovis-Villalba lookout and Cerro Maravilla as well as a number of local restaurants can be found along the way.
| No. | Kilometer Mark | Feature | Direction | Notes (about this "Feature") |
|---|---|---|---|---|
| 0 | 0.0 | PR-10 | North and South | To Ponce (SB) or to Adjuntas (NB) |
| 1 | 3.3 | PR-521 | North | To Jayuya |
| 2 | 3.9 | PR-503 (also to PR-505) | South | To Ponce |
| 3 | 7.3 | PR-140 | North | To Jayuya |
| 4 | 7.9 | San Patricio Elementary School | North | - |
| 5 | 11.6 | PR-139 | South | To Ponce |
| 6 | 12.4 | PR-511 | South | To Ponce (blocked by landslides as of 01/15) |
| 7 | 16.7 | Cerro de Punta | North | Tallest mountain in PR |
| 8 | 18.2 | Monte Jayuya | North | Radio/TV Towers |
| 9 | 21.2 | PR-577 | North | Cerro Maravilla |
| 10 | 28.1 | PR-149 | South | To Villalba |
| 11 | 28.5 | PR-149 and sign to Toro Negro State Forest | North | To Ciales |
| 12 | 32.4 | PR DRNA Toro Negro State Forest Office | North | - |
| 13 | 39.6 | Mirador Villaba-Orocovis (Scenic Lookout) | South | - |