Puerto Rico Highway 181

Puerto Rico Highway 181 (PR-181), also known as Expreso Trujillo Alto,[3] is a road that communicates the towns of San Juan, Puerto Rico (very close to Carolina) in the north/northeast coast of Puerto Rico with Patillas in the southeast, passing through the municipalities of San Juan (very small part) at Jesus de Piñero Avenue (PR-17) as it approaches the Teodoro Moscoso Bridge and the Luis Muñoz Marín International Airport, Trujillo Alto, Gurabo, San Lorenzo, Yabucoa and Patillas in the center of the town district near PR-3. Along with PR-10, PR-149, PR-1 and PR-52, it is one of the longest highways crossing the island from north to south by the central mountainous region. In the north part of Trujillo Alto it is a four-lane highway, turning completely rural all the way to Patillas from there with the exception of small tract in Gurabo when it intersects PR-30.

Highway 181
Route information
Maintained by Puerto Rico DTPW
Length68.65 km[1] (42.66 mi)
Existed1953[2]–present
Major junctions
South end PR-3 in Patillas barrio-pueblo
 
North end PR-17 in Oriente
Location
MunicipalitiesPatillas, Yabucoa, San Lorenzo, Gurabo, Trujillo Alto, San Juan
Highway system
← PR-180PR-182 →

Rural Road
Trujillo Alto marker on PR-181
Driving safely tips; applies when driving through narrow, curvy roads

In Trujillo Alto, near Gurabo, it turns into a rural road with very narrow lanes per direction and hard curves, making it dangerous and requiring low speed limits. In Gurabo, it becomes divided in about 1 kilometer as it intersects Puerto Rico Highway 30, and then quickly turns rural. In San Lorenzo its makes intersection with Puerto Rico Highway 183. For the rest of its length it is still rural. In Yabucoa, PR-182 begins to connect to the main town, while PR-181 continues and as it enters Patillas, it borders lake Carite, before arriving to downtown Patillas, where it meets PR-3.[1]

Major intersections
MunicipalityLocationkm[4][5]miDestinationsNotes
PatillasPatillas barrio-pueblo0.00.0 PR-3 (Calle Luis Muñoz Rivera) – Arroyo, MaunaboSouthern terminus of PR-181
0.30.19 PR-799 – Cacao Alto
Marín3.62.2 PR-7759 – Marín
Patillas–Maunabo
municipal line		Marín–Matuyas Alto line10.36.4 PR-759 – Maunabo
YabucoaGuayabota15.19.4 PR-182 (Ruta Panorámica) – YabucoaSouthern terminus of the Ruta Panorámica concurrency
San LorenzoEspino20.612.8 PR-7740 (Ruta Panorámica) – CayeyNorthern terminus of the Ruta Panorámica concurrency; the Ruta Panorámica continues toward Patillas
21.713.5 PR-9920 – Quebrada Arenas
22.013.7 PR-745 – Espino
Quebrada Honda23.014.3 PR-902 – Quebrada Arenas
24.115.0 PR-913 – Quebrada Honda
24.915.5 PR-9912 – Cayaguas
Jagual28.117.5 PR-765 – Jagual
Hato–Quemados line32.019.9 PR-788 – Quemados
32.7
10.3[lower-alpha 1]		20.3
6.4		 PR-183 west (Carretera Jesús Santa Aponte) – Caguas, GuraboWestern terminus of PR-183 concurrency
10.6[lower-alpha 1]
32.8		6.6
20.4		 PR-183 east (Carretera Jesús Santa Aponte) – Las PiedrasEastern terminus of PR-183 concurrency
San Lorenzo barrio-pueblo33.821.0 PR-980 (Calle Varona Suárez) – Las PiedrasOne-way street; eastbound access via Calle José de Diego
San Lorenzo barrio-pueblo–Hato line34.721.6 PR-9931 – Caguas
Quebrada37.9–
38.0		23.5–
23.6		 PR-931 – Navarro
38.523.9 PR-929 – Juncos
GuraboJaguar40.825.4 PR-9933 – Juncos
Jaguar–Mamey line42.826.6 PR-30 (Expreso Cruz Ortiz Stella) – Caguas, San Juan, Juncos, HumacaoPR-30 exits 7 and 8; diamond interchange
Mamey43.527.0 PR-189 – Gurabo, Juncos
Celada45.428.2 PR-944 – Hato Nuevo
45.528.3 PR-943 – Gurabo
Quebrada Infierno–Masa line50.631.4 PR-945 – Masa
54.133.6 PR-851 (Carretera Reverendo Erasmo Ocasio Adorno) – La Gloria
Trujillo AltoQuebrada Negrito–Dos Bocas line58.436.3 PR-852 – Quebrada Grande
Dos Bocas–La Gloria line59.537.0 PR-851 (Carretera Reverendo Erasmo Ocasio Adorno) – La Gloria
Trujillo Alto barrio-pueblo–La Gloria line61.438.2 PR-894 to PR-175 – Caguas
Río Grande de Loíza61.7–
61.9		38.3–
38.5		Puente de Trujillo Alto[6]
Cuevas–St. Just line61.938.5 PR-175 / PR-8860 east to PR-876 – Caguas, Carolina
63.439.4 PR-850 to PR-876 – CuevasSouthbound exit and entrance
63.5–
63.6		39.5–
39.5		 PR-199 west (Carretera Coronel Pedro L. Negrón Ramírez) / PR-876 – Cupey, Guaynabo
63.839.6 PR-848 (Avenida Juan José "Chejuán" García Ríos) – St. Just
Trujillo Alto–San Juan
municipal line		St. Just–Cuevas–
Sabana Llana Sur tripoint		65.340.6 PR-846 / PR-876 – Cuevas, St. Just
San JuanSabana Llana Sur65.640.8 PR-877 – Sabana Llana Sur
Sabana Llana Sur–Oriente line67.1–
67.4		41.7–
41.9		 PR-3 (Avenida 65 de Infantería) / PR-47 (Calle De Diego) – Río Piedras, Caguas, CarolinaDiamond interchange
Oriente68.6542.66 PR-17 (Expreso Jesús T. Piñero) – San Juan, Hato Rey, Carolina, Isla VerdeNorthern terminus of PR-181; PR-17 exits 7B and 8
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. Kilometer markers represent the distance along PR-183 rather than PR-181.
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See also

References
  1. "Tránsito Promedio Diario (AADT)". Transit Data (Datos de Transito) (in Spanish). DTOP PR. pp. 94–95.
  2. "Gurabo, Memoria Núm. 48" (PDF). Puerto Rico Planning Board (in Spanish). 1954. Retrieved 11 August 2020.
  3. "Guía de Carreteras Principales, Expresos y Autopistas (in Spanish)". DTOP GOV PR.
  4. Google (27 March 2020). "PR-181 south" (Map). Google Maps. Google. Retrieved 27 March 2020.
  5. Google (27 March 2020). "PR-181 north" (Map). Google Maps. Google. Retrieved 27 March 2020.
  6. Luis F. Pumarada O’Neill (1991). "Los Puentes Históricos de Puerto Rico" (PDF) (in Spanish). p. 109-110. Retrieved 26 March 2020.


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