# Puerto Rico Highway 110

Puerto Rico Highway 110 (PR-110) is a road that goes from Añasco, Puerto Rico to Aguadilla through Moca. It extends from Puerto Rico Highway 2 north of Añasco to Ramey Air Force Base.

## Major intersections

* PR-110 and PR-462 between Moca and Aguadilla
| Municipality | Location | km | mi | Destinations | Notes |
| Añasco | Quebrada Larga | 0.0 | 0.0 | PR-2 (Expreso Rafael Hernández, "El Jibarito") – Mayagüez, Aguadilla | Southern terminus of PR-110 |
| Aguada–Moca municipal line | Cerro Gordo–Naranjo line | 2.3 | 1.4 | PR-4403 – Añasco | |
| Aguada | Cerro Gordo | 4.8 | 3.0 | PR-419 – Cerro Gordo | |
| Aguada–Moca municipal line | Cerro Gordo–Marías line | 5.1 | 3.2 | PR-4419 – Naranjo | |
| Aguada–Moca municipal line | Mamey–Marías line | 8.9 | 5.5 | PR-4417 – Mamey | |
| Moca | Pueblo | 11.7 | 7.3 | PR-4025 (Calle Blanca E. Chico) – Moca | Former PR-110R |
| Moca | Pueblo–Moca barrio-pueblo line | 12.5 | 7.8 | PR-125 (Calle José Celso Barbosa) – Moca, San Sebastián | |
| Moca | Moca barrio-pueblo | 12.7 | 7.9 | PR-111 (Carretera Enrique Laguerre) – Aguadilla, San Sebastián | |
| Moca | Pueblo | 13.3 | 8.3 | PR-4025 (Calle Blanca E. Chico) – Moca | Former PR-110R |
| Moca | Centro | 17.2 | 10.7 | PR-4110 – Caimital Bajo | |
| Aguadilla–Moca municipal line | Caimital Alto–Centro line | 19.8 | 12.3 | PR-462 – Caimital Alto | |
| Moca | Aceitunas | 21.4 | 13.3 | PR-464 – Aceitunas | |
| Aguadilla | Ceiba Baja | 23.1118.3 | 14.473.5 | PR-2 east (Carretera José Joaquín "Yiye" Ávila) – Arecibo, San Juan | Eastern terminus of PR-2 concurrency |
| Aguadilla | Caimital Alto–Ceiba Baja line | 119.523.2 | 74.314.4 | PR-2 west (Carretera José Joaquín "Yiye" Ávila) – Aguadilla, Mayagüez | Western terminus of PR-2 concurrency |
| Aguadilla | Caimital Alto–Ceiba Baja line | 23.3– 23.4 | 14.5– 14.5 | PR-465 – Ceiba Baja | |
| Aguadilla | Arenales–Aguacate line | 27.0 | 16.8 | PR-459 (Carretera Jobos) – Aguadilla, Isabela | |
| Aguadilla | Aguacate | 27.4– 27.5 | 17.0– 17.1 | PR-4010 – Maleza Alta | Former PR-110R |
| Aguadilla | Montaña | 29.3 | 18.2 | PR-471 – San Antonio | |
| Aguadilla | Montaña | 30.2 | 18.8 | PR-4466 – Isabela | |
| Aguadilla | Maleza Alta | 33.0 | 20.5 | PR-Cliff Road / PR-San Antonio Road – Ramey Air Force Base | Northern terminus of PR-110 |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||
* 1 2 Kilometer markers represent the distance along PR-2 rather than PR-110.

## Related routes

Currently, PR-110 has two branches in its old segments in Aguadilla and Moca and it also has another one between the two municipalities.

### Puerto Rico Highway 110R

Puerto Rico Highway 110R (Spanish: Carretera Ramal 110, abbreviated Ramal PR-110 or PR-110R) was the old section of PR-110 through downtown Moca. This road can be seen as a Business 110, but currently is renumbered to PR-4025. The entire route is located in Moca.
| Location | km | mi | Destinations | Notes |
| Pueblo | 0.0 | 0.0 | PR-110 (Calle Concepción Vera Ayala) – Aguada, Añasco | Southern terminus of PR-110R |
| Moca barrio-pueblo | 1.0 | 0.62 | PR-125 (Calle José Celso Barbosa) – Aguadilla, San Sebastián | One-way street; eastbound access via Calle Don Chemary |
| Pueblo | 1.5 | 0.93 | PR-110 (Calle Concepción Vera Ayala) – Aguadilla, Isabela | Northern terminus of PR-110R |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Incomplete access |||||

### Puerto Rico Highway 4010

Puerto Rico Highway 4010 (PR-4010) is an old segment of PR-110 that provides access to a small residential area between Aguacate and Maleza Alta in Aguadilla. Previously it was identified as PR-110R. The entire route is located in Aguadilla.
| Location | km | mi | Destinations | Notes |
| Aguacate | 0.0 | 0.0 | PR-110 (Avenida Miguel Ángel García Méndez) – Aguadilla | Southern terminus of PR-4010 |
| Maleza Alta–Aguacate line | 0.7 | 0.43 | PR-468 – Aguadilla | |
| Maleza Alta | 1.4 | 0.87 | [[Puerto Rico Highway Ramey Air Force Base |PR-Ramey Air Force Base]] – Aguadilla | Northern terminus of PR-4010; dead end road |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi |||||

### Puerto Rico Highway 4110

Puerto Rico Highway 4110 (PR-4110) is a spur route of PR-110 between Moca and Aguadilla. It extends from PR-110 to PR-443.
| Municipality | Location | km | mi | Destinations | Notes |
| Aguadilla | Caimital Bajo–Caimital Alto line | 0.9 | 0.56 | PR-443 – Aguadilla | Western terminus of PR-4110 |
| Moca | Centro | 0.0 | 0.0 | PR-110 (Carretera Antonio Cabán Vale, "El Topo") – Moca, Isabela | Eastern terminus of PR-4110 |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi ||||||