| Highway 1 | ||||
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| Route information | ||||
| Maintained by Puerto Rico DTPW | ||||
| Major junctions | ||||
| South end: | Plaza Las Delicias, in Ponce | |||
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| North end: | Paseo de los Veteranos Puertorriqueños, San Juan | |||
| Highway system | ||||
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PR-2 / PR-133 in Ponce
PR-52 in Ponce
PR-3 in Salinas
PR-52 in Salinas
PR-14 in Cayey
PR-52 in Caguas
PR-30 in Caguas
PR-20 in Guaynabo![]()
PR-18 / PR-52 near Cupey
PR-3 in Rio Piedras
PR-22 in Hato Rey
PR-2 in Santurce