| State: | PR |
| Type: | PR |
| Route: | 146 |
| Maint: | Puerto Rico DTPW |
| Length Km: | 28.3 |
| Direction A: | West |
| Terminus A: | in Río Arriba |
| Junction: |
|
| Direction B: | East |
| Terminus B: | in Jaguas |
| Municipalities: | Arecibo, Utuado, Ciales |
| Previous Type: | Sec |
| Previous Route: | 145 |
| Next Type: | Sec |
| Next Route: | 147 |
Puerto Rico Highway 146 (PR-146) is a road that travels from Arecibo, Puerto Rico to Ciales.[1] This highway begins at PR-123 near Dos Bocas Lake and ends at its junction with PR-145 and PR-149 in downtown Ciales. [2]