Carretera Central (Puerto Rico)

The Carretera Central is a historic north–south central highway in Puerto Rico, linking the cities of San Juan and Ponce by way of Río Piedras, Caguas, Cayey, Aibonito, Coamo, and Juana Díaz. It crosses the Cordillera Central. Plans for the road started in the first half of the 19th century, and the road was fully completed in 1898.[2]: 7  At the time the United States took possession of Puerto Rico in 1898, the Americans called it "the finest road in the Western Hemisphere."[4]

Carretera Central

Central Highway
Carretera Militar[1]
Military Highway
Route information
Maintained by Puerto Rico DTPW
Length134 km[2]: 7  (83 mi)
Existed1898–present
Component
highways
  • PR-1
  • PR-14
Major junctions
South endAvenida Eugenio María de Hostos in Playa
Major intersections
North endLa Fortaleza in San Juan Antiguo
Location
CountryUnited States
TerritoryPuerto Rico
MunicipalitiesPonce, Juana Díaz, Coamo, Aibonito, Cayey, Cidra, Caguas, Guaynabo, San Juan
Highway system
Carretera Central
Carretera Central (Puerto Rico) is located in Puerto Rico
Carretera Central (Puerto Rico)
LocationHighway 14 from Cayey boundary to Coamo boundary[lower-alpha 1]
Coordinates18°08′27″N 66°15′34″W
Built1846–1886
Built byThe Spanish administration
EngineerRaimundo Camprubí,
Enrique Gadea,
Manuel Maese,
Manuel López de Bayo
Timoteo Luberza[3]
NRHP reference No.100003686[3]
Added to NRHPMay 2, 2019

A portion of the Carretera Central from partway through Caguas to the end of Juana Díaz was listed on the U.S. National Register of Historic Places in 2019.[5][6]

Route description

The highway runs from the north coast city of San Juan to the south coast city of Ponce via Río Piedras, Caguas, Cayey, Aibonito, Coamo, and Juana Díaz. The highway corridor is now signed as Puerto Rico Highway 14 from Ponce to Cayey, and as Puerto Rico Highway 1 from Cayey to San Juan.[2]: 7 [7]

  • Carretera Central between mountain and stream (circa 1901–1903)
    Carretera Central between mountain and stream (circa 1901–1903)
  • Carretera Central in Aibonito
    Carretera Central in Aibonito

History

In the 1820s, the Spanish colonial government in Puerto Rico, under the direction of Governor Miguel de la Torre took the first steps for building a highway connecting the towns of San Juan and Río Piedras[lower-alpha 2] and incorporating temporary wooden bridges for river crossings.[2]: 4 

During the 1830s an unpaved wagon road was built linking Ponce, Juana Díaz and Coamo to satisfy the commercial sugar production needs of that area.[2]: 4  In 1846 a new masonry bridge was built by Spanish engineer Santiago Cortijo to connect the capital city island of San Juan with the rest of the Puerto Rico mainland. Meanwhile, construction of a 41-kilometer macadam highway between San Juan and Caguas, designed by Colonel engineer Diego Galvez, was begun. Construction of the San Juan-Caguas span was first under the direction of Colonel Tulio O'Neill and was later completed, in 1853, under Commander Santiago Cortijo. After the completion of the bridge over the Río Piedras river in 1853, the construction project completed bridges over Quebrada Frailes in 1855, the Concepción Bridge over Caguas's Río Cañas in 1856, and the bridge over the Caguas's Cagüitas River in 1857.[2]: 5 

In 1858 Puerto Rican civil engineer Timoteo Luberza designed the paved highway between Coamo, at the southern foothills of Cordillera Central, and Juana Díaz, its first neighboring town due southwest, for the municipality of Coamo. Three years later, by 1861, a fair portion of this highway had already been completed.[2]: 5 

The most challenging segment of Carretera Central, the one involving the mountainous segment between Caguas in the north and Coamo in the south, was built under the 1859 General Highway Plan, a complete highway plan to connect the coastal town with those in the mountainous interior. The plan was approved by the Spanish Crown in 1860 and it included the creation of "first order" and "second order" highways. In 1860, the central government commissioned engineer Niceto Blajot to design the paved version of Carretera Central between Ponce and Juana Díaz, which until then was a dirt and gravel road.[2]: 6 

The then-municipal highways connecting Ponce, Juana Díaz and Coamo were made part of the state-run Carretera Central between 1875 and 1880. Meanwhile, the first stretch of road built exclusively under the Delegation of Public Works (equivalent to a department of public works) was the northern mountainside segment between Caguas and Cayey. This segment was started in 1875 and completed in 1881 under the direction of site engineers Raimundo Camprubi and Enrique Gadea-Giraldez. It was designed by engineer Manuel Lopez-Bayo.[2]: 7 

On the southern mountainside of Cordillera Central, the stretch from Coamo to Aibonito was designed by Timoteo Luberza in 1861. Construction started in 1874 under Ricardo Campubri. It included 7.5 kilometers of the steep Asomante slopes, and was completed in 1881. The width of the road in this stretch was reduced from 6.5 meters to 6.0 meters, to reduce costs associated with building in such steep terrain. The segment between Aibonito and Cayey was designed by Manuel Lope-Bayo, begun in 1879 and completed in 1886. It included bridges over Quebrada Honda and Quebrada Toíta. As in the Coamo to Aibonito stretch, the stretch from Aibonito to Cayey has a width of 6.0 meters instead of 6.5 meters. The stretch was so treacherous that it was the last to be completed and the most expensive.[2]: 7  It soon acquired the popular name La Piquiña.[8]

Functional by 1886, Carretera Central was the first highway to cross Puerto Rico's east–west mountain range, the Cordillera Central. In 1886, it was a 134-kilometer (83 mi) route with 13 permanent bridges and 33 casillas de camineros (housing for road maintenance technicians).[2]: 7  Contests were held for which roads had been best maintained, so that workers could be properly recognized and rewarded.[9][10]

The Arenas Bridge, constructed in 1894 to bring the Carretera Central across the Río de la Plata, was the longest bridge constructed in Puerto Rico under Spanish government.[11]

Macadamized "from end to end...into an almost solid floor," when the United States took possession of Puerto Rico in 1898, the editors of the American Harper's Weekly publication called Carretera Central, which was also known as Carretera Militar, "the finest road in the Western Hemisphere."[4]

The road, spanning the entire length between San Juan and Ponce, was fully completed in 1898 and christened Carretera Central.[2]: 7 [12]

Other facts

In 1898, during the Spanish–American War, American forces moved from south to north over the Carretara Central. One bridge was demolished by the Spanish to delay the American advance.[2]: 12 

National Register of Historic Places

As one of the first modern roadways in Puerto Rico, being built from 1846 to 1886, and regarded as one of the finest roads in the Americas for years after its completion, a portion was listed on the National Register of Historic Places in 2019. The listed portion of the road, from Caguas to Juana Díaz, includes the exceptionally challenging engineering through the Cordillera Central, 11 major bridges, 14 maintenance workers' houses,[lower-alpha 3] and numerous other roadway structures.[6]

Major intersections

Note: kilometer markers represent the distance along the current Puerto Rico numbered highways rather than the original Carretera Central.

MunicipalityLocationkm
[13][14][15][16]		miDestinationsNotes
PoncePlayaAvenida HostosSouthern terminus of the Carretera Central; dead end road
1.60.99PR-123Southern terminus through PR-123; unsigned
See PR-123
Primero–Cuarto line4.6
0.0		2.9
0.0
 PR-14 north		One-way street; northern terminus through PR-123 and western terminus through PR-14
See PR-14
CayeyCayey barrio-pueblo–Monte Llano line73.1
55.5		45.4
34.5		 PR-1 – Caguas, AibonitoEastern terminus through PR-14 and southern terminus through PR-1
55.3
2.7		34.4
1.7
 PR-735 north – Cidra		Seagull intersection; northern terminus through PR-1 and southern terminus through PR-735
See PR-735
Vegas0.0
53.6		0.0
33.3		 PR-1Northern terminus through PR-735 and southern terminus through PR-1; access to Caguas and Salinas
See PR-1
CaguasBairoa30.5
4.6		19.0
2.9		 PR-798Northern terminus through PR-1 and southern terminus through PR-798
See PR-798
San JuanQuebrada Arenas0.0
25.9		0.0
16.1
 PR-1 north (Carretera Felipe "La Voz" Rodríguez)		Northern terminus through PR-798 and southern terminus through PR-1; no access to PR-1 south; no access from PR-1
GuaynaboRío23.3
2.3		14.5
1.4		 PR-173 / PR-8834 – Aguas BuenasNorthern terminus through PR-1 and southern terminus through PR-8834; access to Hato Nuevo and Sonadora
1.50.93 PR-834Eastern terminus of PR-834; access to Hato Nuevo and Sonadora
0.0
21.0		0.0
13.0
 PR-1 / PR-169 to PR-20 – Río Piedras, Caguas, Guaynabo, Camarones		Northern terminus through PR-8834 and southern terminus through PR-1; PR-20 access is via PR-1 south
San JuanTortugo19.3
1.7		12.0
1.1		PR-873Northern terminus through PR-1 and southern terminus through PR-873; unsigned
See PR-873
Caimito0.0
17.7		0.0
11.0

 PR-1 south / PR-199 east / PR-Calle Turquesa (unsigned)		Northern terminus through PR-873 and southern terminus through PR-1; no access to PR-199 west; PR-1 north access is via PR-199 east; access to San Juan, Caguas and Trujillo Alto
See PR-1
Monacillo Urbano15.0–
14.6		9.3–
9.1
 PR-18 north (Expreso Las Américas) – San Juan, Bayamón

 PR-52 south – Caguas, Ponce		Interchange; northern terminus through PR-1; no access to PR-52 from northbound
Gap in route
1.20.75 PR-8838Southern terminus through PR-8838
See Avenida Juan Ponce de León
El Cinco3.3
12.5		2.1
7.8
 PR-1 north		Northern terminus through PR-8838 and southern terminus through PR-1; PR-1 south access (to Caguas) is at km 3.0; access to Río Piedras and Carolina
Río Piedras12.37.6Puente de Río Piedras[17]
Hato Rey Sur12.1–
12.0		7.5–
7.5		PR-3  – Río Piedras, CarolinaInterchange; northern terminus through PR-1; unsigned
Gap in route
Pueblo–Hato Rey Sur line11.16.9PR-3 west to PR-1 northSouthern terminus through PR-25; PR-3 west exit and PR-1 north entrance (to Hato Rey); unsigned
See Avenida Juan Ponce de León
San Juan Antiguo0.00.0Old San Juan (Calle de la Fortaleza, Calle del Recinto Sur)One-way streets; northern terminus through PR-25; PR-25P access is near km 0.2
Northern terminus of the Carretera Central at La Fortaleza
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

Notes
  1. The listed portion of the Carretera Central extends into Caguas, Cidra, Cayey, Aibonito, Coamo, and Juana Díaz. The roadway route in San Juan and Ponce, as well as a portion in Caguas, was excluded from the National Register listing.
  2. Río Piedras, today a part of San Juan, was a distinct town and municipality until 1951.
  3. Spanish: casillas de caminero.

References
  1. Paul G. Miller. Historia de Puerto Rico. Chicago and New York: Rand McNally & Compañia. 1992. Page 326.
  2. Pumarada O'Neill, Luis F. (31 July 1994). "Historic Bridges of Puerto Rico MPS". National Park Service. Retrieved 14 February 2018.
  3. Documento de inclusión de la Carretera Central en el RNLH (2019). Geo-Isla. 2020. p. 51. Accessed 1 August 2020.
  4. Harper's Weekly. New York: Harper and Brothers. Vol LXII. Issue 2188. 26 November 1898. p.1163.
  5. PUERTO RICO, CAGUAS MUNICIPALITY, Carretera Central, PR-1 from km. 40 to 55.4, PR-735 from km. 0.0 to 2.5 & PR-14 from km. 10.0 to 74.0, Caguas, SG100003686, LISTED, May 2, 2019. National Register of Historic Places. National Park Service. US Department of the Interior. Washington, D.C. Weekly List # 20190503. 3 May 2019. Accessed 1 August 2020.
  6. "NRHP Nomination Form Carretera Central". Retrieved 1 August 2020.
  7. "Tránsito Promedio Diario (AADT)". Transit Data (Datos de Transito) (in Spanish). DTOP PR. Archived from the original on 1 April 2019.
  8. La centenaria ruta de la Piquiña. El Nuevo Dia. Guaynabo, Puerto Rico. 1 July 2011. Accessed 25 May 2016.
  9. Mari Mutt, José A. "Nuestras Casillas de Camineros - Visión general y estilos". edicionesdigitales info (in Spanish).
  10. Gandía Córdova, Ramón (17 July 1924). "Las Carreteras de Puerto Rico Comparadas con las de los Estados Unidos". Revista de Obras Públicas de Puerto Rico (in Spanish). San Juan. p. 1545 – via Internet Archive.
  11. "Historic Places in Puerto Rico and the Virgin Islands: A Travel Itinerary: Arenas Bridge". National Park Service.
  12. Costa, Juan R. (9 June 2019). "Memoria Viva: la Carretera Central de Puerto Rico". NOTICEL (in Spanish). Retrieved 12 June 2019.
  13. Google (3 April 2020). "Carretera Central southwest" (Map). Google Maps. Google. Retrieved 3 April 2020.
  14. Google (3 April 2020). "Carretera Central south" (Map). Google Maps. Google. Retrieved 3 April 2020.
  15. Google (3 April 2020). "Carretera Central east" (Map). Google Maps. Google. Retrieved 3 April 2020.
  16. Google (3 April 2020). "Carretera Central north" (Map). Google Maps. Google. Retrieved 3 April 2020.
  17. Luis F. Pumarada O’Neill (1991). "Los Puentes Históricos de Puerto Rico" (PDF) (in Spanish). p. 41. Retrieved 3 April 2020.

Further reading
  • Castro Arroyo, Maria de los Angeles (1969). La construcción de la Carretera Central en Puerto Rico (MA thesis in history) (in Spanish). University of Puerto Rico.
  • Alonso, Feliciano. 2007. Álbum de Puerto Rico. Madrid: Doce Calles: CSIC, Consejo Superior de Investigaciones Científicas. ISBN 9788497440608. (in Spanish)
  • Archivo General de Puerto Rico. Fondo de Obras Públicas, Serie de Carreteras, Legajo 5582–583, Cajas 2666, 2667, 2669.
  • Castro, M. de los A. La construcción de la Carretera Central en Puerto Rico. Thesis. School of Architecture. University of Puerto Rico, Río Piedras. 1969. Chapter 5. (in Spanish)
  • Hechavarría, M. Testigos mudos de la vida del caminero. El Nuevo Día. San Juan, Puerto Rico. 3 December 2007. Section: Huellas, p. 69. (in Spanish)
  • Informe del Comisionado del Interior de Puerto Rico (Guillermo Esteves) para los años 1918–1919, 456 pp. (in Spanish)
  • Meléndez-Muñoz, M. Cuentos de la Carretera Central. Ediciones RVMBOS, Barcelona. 1963. 152 pp. (in Spanish)
  • Sibanacan. El inventario y estudio de los valores arquitectónicos-arqueológicos e históricos-social de las casillas de peones camineros de la Isla de Puerto Rico. Informe de progreso para la Oficina Estatal de Preservación Histórica de Puerto Rico. 1990. (in Spanish)
  • Sibanacan. El inventario y el estudio del valor arquitectónico-arqueológico e histórico-social de las casillas de peones camineros de la Isla de Puerto Rico, 1844–1954. Informe final para la Oficina Estatal de Preservación Histórica de Puerto Rico. 1991. (in Spanish)
  • Fay Fowlie de Flores. Ponce, Perla del Sur: Una Bibliográfica Anotada. Second Edition. 1997. Ponce, Puerto Rico: Universidad de Puerto Rico en Ponce. p. 211. Item 1087. LCCN 92-75480
  • G. Waldo Brown. The New America and the Far East: A Picturesque and Historic Description of These Lands and Peoples. Vol. 8. Boston: Marshall Jones. 1907. (CUTPO).
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