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The highway system in Puerto Rico is composed of approximately 14,400 kilometers (8,900 mi)[1] of roads in Puerto Rico, maintained by the Puerto Rico Department of Transportation and Public Works (Spanish: Departmento de Transportación y Obras Públicas) or DTOP. The highway system in Puerto Rico is divided into four networks: primary, urban primary, secondary or inter-municipal, and tertiary or local (Spanish: red primaria, red primaria urbana, red secundaria o intermunicipal, and red terciaria o local).[1] Highways may change between networks and retain their same numbers.

Quick Facts Puerto Rico Highway System, Highway names ...
Puerto Rico Highway System
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Highway shields for primary, urban primary, secondary and tertiary sections of PR-1
Highway names
InterstatesInterstate PRnn (PRI-nn) (unsigned)
Commonwealth:Puerto Rico Highway nn (PR-nn)
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Highway markers

Puerto Rico roads are classified according to the network they belong to. There are four types: primary, urban primary, secondary, and tertiary.[1][2]

In this regard, a primary road is one which is part of the primary network, an urban primary road is part of the urban primary network, etc. Generally, the same highway may change between networks, but the highway will continue to have the same number. For example, PR-1, connecting Ponce and San Juan, is signed as urban primary inside the Ponce city limits, then it is signed as secondary in Ponce's rural barrio Capitanejo, and then it is again signed as urban primary on its entry into the town of Santa Isabel.

Primary roads are numbered 1 through 99, secondary roads are numbered 100 to 299, and tertiary roads are numbered 300 to 9999.[3] In 2009, primary routes comprise about 14% of the total Commonwealth system mileage, secondary about 30%, and tertiary (municipal) about 56% of the total mileage.[3]

  • Route number markers on PR-191 in 2009; on the left is the tertiary highway marker, in the middle is a Forest Highway marker, and on the right is a pre-1999 marker.
    Route number markers on PR-191 in 2009; on the left is the tertiary highway marker, in the middle is a Forest Highway marker, and on the right is a pre-1999 marker.
  • An example of route transition between networks
    An example of route transition between networks
More information Highway network, Highway marker for Route 1 ...
Highway network Highway marker
for Route 1		 Purpose[1] Route numbers[3]
Primary roads A blue highway shield with a white numeral 1 Facilitate movement of passengers and freight between major regions in the Island (north, south, east, west) 1–99[a]
Urban primary roads A white highway shield with a black numeral 1 Complement the primary network inside a metro area (San Juan, Ponce, Mayagüez, Arecibo, Aguadilla, Humacao, Caguas and Guayama) Any
(1–9999)
Secondary (or inter-municipal) roads A blue pentagon-shaped highway marker with a yellow numeral 1 Provide access to municipalities from primary network roads 100–299[a]
Tertiary (or intra-municipal) roads A white circle sign with a black numeral 1 Provide access to a municipality's main urban area from peripheral communities 300–9999
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  1. Just as some highways numbered 1–99 may have secondary or tertiary network type markers on specific segments of their roadways, some highways numbered 100–299 may also have tertiary network markers—black numbers on white circles set against a black square—in specific segments of those highways, to indicate that such portions of the highway are part of the tertiary network.

Less common markers

Puerto Rico highway marker (pre-1999)
Puerto Rico National Forest road marker

At least two[1] other markers can be observed in Puerto Rico roads today (2019). The first is the older style road marker which, above the route number, also had the outline of the main island of Puerto Rico with the words Puerto Rico on the outline as shown here. Until 1999,[4] all non-tolled numbered highways in Puerto Rico had the same route marker, a square with a white-on-black half-circle with the route number in the bottom two thirds and a map of Puerto Rico with the words Puerto Rico written inside in the top third. A second road marker, used on the road through El Yunque National Forest, is the brown-colored upside-down trapezoidal marker with the road number on the top two-thirds of the sign and the words Bosque Nacional (national forest) on the bottom one-third, as shown.

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Roadway maintenance

All Puerto Rico Highway System roads, regardless of the classification used, are maintained by the centralized, Commonwealth-level, Departmento de Transportación y Obras Públicas (DTOP). Municipal governments are not responsible for maintenance of the Puerto Rico Highway System roads within their territory; whether or not the municipal government is an autonomous government, DTOP is the responsible agency.[5] The DTOP maintains a network of regional offices throughout the island which carry out DTOP work within their multi-municipality region. Municipal governments are only responsible for maintenance of city and town streets within their jurisdictions.[6] On occasion, the central government has entered into memoranda of agreement with municipal governments for the collaborative maintenance of some Puerto Rico Highway System roadways within their municipalities.[7][8]

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Municipal roads

In Puerto Rico, the term municipal road may be encountered occasionally. This is not a “fourth” network of State roads. Roadways that have both their terminus within the same municipality are called tertiary roads and are, by convention, numbered PR-300 through PR-9999. Tertiary roads are also sometimes called Carreteras de la red local (English: Local network roads).[2]

However, the term municipal road or municipal highway (Spanish: Carretera municipal) refers to any public roadway that is not marked with a Puerto Rico road marker.[9] Roadways marked with a Puerto Rico road marker are those public roadways that include PR followed by a number in its markers. Such roads are considered State roads and part of the Puerto Rico Highway System. Public roadways that do not include such markings are termed municipal roadways. Unlike State roads, which are signed with numbers, municipal roads are signed with names, such as Calle Hostos, Calle De Diego, Calle San Jorge, Calle León M. Acuña.[9]

Tertiary roads are not municipal roads even though at times the term municipal road has been used (as a shortcut to intra-municipal road)—even by the Government of Puerto Rico—to refer to a tertiary State road.[3] The confusion comes from the context in which the phrase municipal road occurs. When the term municipal road occurs in the context of roads owned and maintained by the State government, municipal roads means tertiary State network roads. In this context, a municipal road and a State tertiary road both refer to the same network of State roads. However, if the term occurs in the context of roadways owned and maintained by a municipal government, it refers to the network of local streets and roadways that make up the urban landscape of a municipality.

Another context sometimes encountered is the context of how a road is used, that is, the purpose of a road. The purpose of a road is indicative of whether a road is a municipal road or not. In its strictest meaning, the term municipal roads refers to roads within a municipality's urban center that provide access from one urban neighborhood to another urban neighborhood within the same urban area (city, town, poblado, etc.), while in the larger context of the State highway system, municipal roads refers to roads that “provide access to the main urban area of a municipality from peripheral communities” (that is, tertiary roads).[1] Municipal roads are maintained by the municipal government where those roads occur, while tertiary roads are maintained by the State government. As stated under the section Road maintenance, at times the State government has entered into Memorandums of Agreement with municipal governments for the upkeep of a State tertiary roadway (note this is a State-owned road that runs entirely within a single municipality), but this does not make it a municipal road—the road continues to maintain its State signage and ownership.[7][8]

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Expressways

Highways with control access fall into three types: An expressway is an arterial highway with full or partial control of access. Expressways with full control of access are termed freeways. If the freeway charges a toll for its use, it is called an autopista.[3] Most tollbooths accept the AutoExpreso, an electronic toll collection system, to avoid traffic congestion.[10][11] Toll roads between San Juan and Arecibo, and between San Juan and Ponce were envisioned by J. Raymond Watson, a Puerto Rican engineer, in 1970.[12]

All Puerto Rico expressways are signed either as primary or as urban primary routes.

More information Route, Name ...
Route Name Terminus Maximum speed limit Notes
PR-2 Expreso Kennedy Starts from San Patricio Plaza (Guaynabo) to Santurce (San Juan, aka Parada 18). 50 mph (80 km/h) Guaynabo to San Juan section only.
PR-2 Roberto Sánchez Vilella Starts from Mayagüez Mall (Mayagüez) to PR-1 in Ponce 55 mph (90 km/h) Mostly converted to expressway from Mayagüez Mall to Ponce.
PR-5 Expreso Río Hondo Bayamón, PR-22 to Naranjito, PR-147 and PR-149 with discontinuity between PR-199 in Bayamón and PR-167 in Toa Alta. 50 mph (80 km/h) Tolled. This road has three expressway segments as of April 2012—these are between PR-29 and PR-22 and between PR-2 and PR-199 (both in Bayamón), an unbuilt portion in southern Bayamón and a portion between PR-167 (Toa Alta) and the town of Naranjito.
PR-9 Baldorioty de Castro PR-10 Barrio Portugués to PR-2 Barrio El Tuque 55 miles per hour (89 km/h) to 65 miles per hour (105 km/h) From PR-123 to PR-2 still under construction
PR-12 Santiago de los Caballeros PR-14 Barrio Machuelo Abajo to PR-123 Barrio Playa 55 miles per hour (89 km/h)
PR-18 Expreso Las Américas PR-22 San Juan and PR-52 San Juan 55 to 65 mph (90 to 110 km/h)
PR-20 Expreso Rafael Martínez Nadal PR-2 in the San Patricio area in Guaynabo to PR-1 in La Muda sector in Caguas 55 mph (90 km/h) Tolled
PR-22 Autopista José de Diego Hatillo, PR-2 to San Juan, PR-26 65 mph (105 km/h) Extension to Aguadilla in planning. Tolled
PR-26 Expreso Román Baldorioty de Castro San Antonio Bridge (Bridge to Old San Juan Island) to PR-3 in Carolina. 65 mph (105 km/h)
PR-30 Expreso Cruz Ortiz Stella Caguas, PR-1 to Humacao, PR-53 55 mph (90 km/h)
PR-52 Autopista Luis A. Ferré Ponce, PR-2 to San Juan, PR-1 and PR-18 65 mph (105 km/h) Tolled. This highway is the longest tolled freeway in Puerto Rico.
PR-53 Autopista Dr. José Celso Barbosa Fajardo through Ceiba to Yabucoa, and then Guayama to Salinas. 65 mph (105 km/h) Maunabo tunnels constructed in October 2008. The segments between Yabucoa and Maunabo still incomplete.
PR-60 Avenida Dionisio Casillas Humacao, PR-30 to Humacao, PR-3 55 mph (90 km/h)
PR-66 Autopista Roberto Sánchez Vilella PR-3 in Carolina and Río Grande 65 mph (105 km/h) Second half opened in October 2012 to Río Grande. Tolled.
PR-165 Expreso El Caño Guaynabo, PR-2 and PR-23 to Cataño 50 mph (80 km/h)
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List of highways

Below is a list of some highways in Puerto Rico along with the municipalities where they begin and end.

Primary highways

Primary roads are numbered in the 1 to 99 range and are distributed randomly throughout the island.

More information Number, Length (mi) ...
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
PR-1 79.6128.1 PR-123 in PonceCalle Tanca in San Juan —— Carretera Central
PR-2 143.0230.1 PR-1 / PR-133 in PoncePR-26 in San Juan ——
PR-2R 0.50.80 PR-440 in AguadillaPR-2 in Aguadilla —— Aguadilla business spur
PR-2R —— PR-2 / PR-114 in MayagüezPR-2 in Mayagüez —— Mayagüez business loop; renumbered to PR-239[13]
PR-2R 1.01[14]1.63 PR-2 / PR-5549 in PoncePR-123 in Ponce —— Ponce business spur; formerly PR-2
PR-3 99.9160.8 PR-1 in SalinasPR-1 in San Juan ——
PR-3R 0.871.40 PR-3 in HumacaoPR-3 in Humacao —— Humacao business loop
PR-4 —— PR-17 in San JuanPR-26 in Carolina —— Became part of PR-8
PR-4 —— PR-114 in HormiguerosPR-102 in San Germán —— Renumbered to PR-103 and PR-101[15]
PR-5 16.025.7 PR-152 / PR-164 in NaranjitoCalle Canal in Cataño —— Tolled in Bayamón. Exists in two segments due to an unconstructed portion in Bayamón.
PR-5 —— PR-2 in AguadillaPR-2 in Aguadilla 01953-01-011953[16]— Renumbered to PR-107 and PR-110[16]
PR-6 1.11.8 PR-2 in BayamónPR-5 in Bayamón —— Formerly PR-21
PR-8 2.54.0 PR-17 in San JuanPR-3 in San Juan —— Formerly PR-4
PR-9 4.52[17]7.27 PR-2 / PR-52 in PoncePR-10 in Ponce —— Exists in two portions, as the portion between PR-123 and PR-500 is actually under construction.
PR-10 42.42[18]68.27 PR-5506 in PoncePR-2 in Arecibo —— Exists in two segments due to a still-under-construction portion between Adjuntas and Utuado. Much of old route now PR-123; the current alignment dates from 1974.
PR-12 3.28[19]5.28 Port of PoncePR-14 in Ponce 01960-01-011960[20][a]current
PR-14 45.473.1 PR-123 / PR-123P in PoncePR-1 in Cayey —— Carretera Central
PR-14R 0.560.90 PR-123 / PR-123P in PoncePR-14 / PR-14P in Ponce —— Ponce business spur
PR-15 16.0325.80 PR-3 in GuayamaPR-14 in Cayey 01953-01-011953[21]current Part of the Ruta Panorámica
PR-16 0.530.85 Calle Miraflores in San JuanPR-1 / PR-26 in San Juan ——
PR-17 7.111.4 PR-19 in San JuanPR-26 in Carolina —— Tolled at the Teodoro Moscoso Bridge.
PR-18 3.78[19]6.08 PR-1 / PR-52 in San JuanPR-22 in San Juan ——
PR-19 1.21.9 PR-21 in San JuanPR-2 in Guaynabo —— PR-19 is the main avenue in San Patricio, Guaynabo.
PR-20 6.03[19]9.70 PR-1 in GuaynaboPR-2 in Guaynabo —— Tolled
PR-21 3.15.0 PR-19 in San JuanPR-1 / PR-176 in San Juan ——
PR-22 52.01[19]83.70 PR-2 in HatilloPR-26 in San Juan 01969-01-011969[22]current Tolled; portion of unsigned Interstate PRI-2
PR-23 4.06.4 PR-2 / PR-165 in GuaynaboPR-27 in San Juan ——
PR-24 1.11.8 PR-165 in GuaynaboPR-888 in Cataño ——
PR-25 6.911.1 PR-3 in San JuanCalle Fortaleza / Calle Recinto Sur in San Juan —— Avenida Juan Ponce de León
PR-25R 1.72.7 PR-1 in San JuanPR-25 in San Juan ——
PR-26 9.63[19]15.50 PR-1 / PR-16 in San JuanPR-3 / PR-66 in Carolina ——
PR-27 3.04.8 PR-3 in San JuanPR-36 in San Juan ——
PR-28 3.76.0 PR-5 in BayamónPR-2 in San Juan ——
PR-29 2.23.5 PR-2 in BayamónPR-5 in Bayamón ——
PR-30 19.08[19]30.71 PR-1 in CaguasPR-53 in Humacao ——
PR-31 15.8825.56 PR-30 / PR-189 in JuncosPR-3 in Naguabo 01953-01-011953[23]current
PR-32 4.57.2 PR-172 in CaguasPR-1 in Caguas ——
PR-33 1.372.20 PR-183 in CaguasPR-1 / PR-189 in Caguas ——
PR-34 3.76.0 PR-196 in CaguasPR-183 in Caguas ——
PR-35 2.54.0 PR-1 in San JuanPR-16 in San Juan ——
PR-36 0.931.50 PR-25 in San JuanPR-27 in San Juan ——
PR-37 4.26.8 PR-35 in San JuanPR-187 in Carolina ——
PR-38 0.671.08 Calle Recinto Sur in San JuanPR-25 in San Juan ——
PR-39 0.560.90 PR-1 in San JuanPR-25 in San Juan ——
PR-40 0.560.90 PR-25 in San JuanPR-27 in San Juan ——
PR-41 1.52.4 PR-17 in San JuanPR-25 in San Juan ——
PR-42 0.621.00 PR-39 in San JuanCalle Lafayette in San Juan ——
PR-47 1.72.7 Calle Ferrocarril / Paseo De Diego in San JuanPR-3 in San Juan ——
PR-52 67.30[19]108.31 PR-2 / PR-9 in PoncePR-1 / PR-18 in San Juan 01968-01-011968[22]current Tolled; portion of unsigned Interstate PRI-1
PR-53 58.494.0 PR-52 in SalinasPR-3 in Fajardo 01988-01-011988[22]current Tolled. Exists in four portions due to unconstructed segments between Guayama and Yabucoa; portion of unsigned Interstate PRI-3
PR-54 3.856.20 PR-53 in GuayamaPR-3 / PR-748 in Guayama ——
PR-60 2.21[19]3.56 PR-30 in HumacaoPR-3 in Humacao —— Former portion of PR-30
PR-63 0.370.60 PR-102 in MayagüezPR-2 in Mayagüez ——
PR-64 3.45.5 PR-102 / PR-3342 in MayagüezPR-2 / PR-342 in Mayagüez ——
PR-65 0.570.92 PR-239 in MayagüezPR-106 in Mayagüez ——
PR-66 12.119.5 PR-3 / PR-26 in CarolinaPR-3 / PR-187 in Río Grande 02006-01-012006[24]current Tolled; portion of unsigned Interstate PRI-3
  •       Former
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Secondary highways

Secondary roads are numbered in the 100 to 299 range. Unlike primary highways, which are numbered randomly throughout the island, secondary highways generally follow a grid pattern. They begin from the southwest portion of the island with PR-100 and increase in number as you progress in a northeasterly fashion. PR-100 is located in the southwestern town of Cabo Rojo, whilst PR-198 is in Juncos, Las Piedras and Humacao in the eastern part of Puerto Rico. The highest secondary highway number assigned so far (February 2014) is 252 (PR-252), located in the northeastern municipality-island of Culebra. A few roads “violate” this grid order; for example, PR-199 lies in Guaynabo and San Juan.

More information Number, Length (mi) ...
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
PR-100 10.116.3 PR-301 in Cabo RojoPR-2 in Hormigueros ——
PR-101 11.919.2 Calle José de Diego in Cabo RojoPR-102 in San Germán ——
PR-102 25.841.5 PR-104 in MayagüezPR-121 / PR-368 in Sabana Grande ——
PR-103 8.113.0 PR-101 in Cabo RojoPR-114 in Cabo Rojo 01953-01-011953[25]current
PR-104 1.11.8 PR-3108 in MayagüezPR-2 in Mayagüez ——
PR-105 27.544.3 Calle Tamarindo in MayagüezPR-128 in Maricao —— Part of the Ruta Panorámica
PR-106 11.718.8 Calle Méndez Vigo / Calle Oriente in MayagüezPR-120 in Las Marías —— Part of the Ruta Panorámica
PR-107 2.84.5 PR-2 in AguadillaBorinquen Road in Aguadilla ——
PR-108 13.722.0 Calle Méndez Vigo in MayagüezPR-109 in Añasco ——
PR-109 18.329.5 PR-2 in AñascoPR-119 in San Sebastián ——
PR-110 20.533.0 PR-2 in AñascoCliff Road / San Antonio Road in Aguadilla ——
PR-110R —— PR-110 in MocaPR-110 in Moca —— Moca business loop; renumbered to PR-4025[26]
PR-110R —— PR-110 in AguadillaRamey Air Force Base in Aguadilla —— Aguadilla spur; renumbered to PR-4010
PR-111 41.967.4 PR-2 / PR-1107 in AguadillaPR-140 in Utuado 01953-01-011953[27]current
PR-111R —— PR-111 in AguadillaPR-111 in Aguadilla —— Aguadilla business loop; renumbered to PR-1107P
PR-111R —— PR-119 / PR-125 in San SebastiánPR-111 in San Sebastián —— San Sebastián spur; renumbered to PR-125
PR-111R —— PR-111 in LaresPR-111 in Lares —— Lares business loop; renumbered to PR-1111
PR-111R —— PR-123 in UtuadoPR-111 in Utuado —— Utuado business loop; renumbered to PR-6111
PR-112 11.218.0 PR-125 in MocaPR-113 / PR-459 in Isabela ——
PR-113 12.319.8 PR-112 / PR-459 in IsabelaPR-119 in Camuy 01953-01-011953[28]current
PR-114 9.114.6 PR-2 / PR-239 in MayagüezPR-102 in San Germán ——
PR-115 17.327.8 PR-2 / PR-109 in AñascoPR-1107 in Aguadilla ——
PR-115R —— PR-417 in AguadaPR-115 in Aguada —— Aguada business spur; renumbered to PR-4415[29]
PR-116 16.526.6 PR-101 in LajasPR-2 in Guánica 01953-01-011953[30]current
PR-116R —— PR-116 in GuánicaPR-116 in Guánica —— Guánica business loop; renumbered to PR-4116
PR-116R —— PR-116 in GuánicaPR-121 in Yauco —— Renumbered to PR-1116, now PR-326[31]
PR-117 8.113.0 PR-315 in LajasPR-121 in Sabana Grande ——
PR-118 3.15.0 PR-117 in LajasPR-102 in San Germán ——
PR-119 49.579.7 PR-2 in San GermánPR-2 in Hatillo 01953-01-011953[28]current Part of the Ruta Panorámica
PR-120 20.432.8 Calle Neponucema Santiago / Calle 65 de Infantería in Sabana GrandePR-124 in Las Marías —— Part of the Ruta Panorámica
PR-121 9.615.4 PR-102 / PR-368 in Sabana GrandePR-127 / PR-128 in Yauco ——
PR-122 4.26.8 PR-116 in LajasPR-2 in San Germán —— Exists in two segments due to a still-under-construction portion between Lajas and San Germán.
PR-123 48.7278.41 PR-12 in PoncePR-10 / PR-6609 in Arecibo 01910-01-01c. 1910current Was PR-10 until 1974
PR-124 16.726.9 PR-119 in Las MaríasPR-1111 in Lares 01953-01-011953[27]current
PR-125 13.121.1 PR-111 in AguadillaPR-111 in San Sebastián —— Formerly PR-111
PR-125R 0.590.95 PR-125 in San SebastiánPR-109 in San Sebastián —— San Sebastián business spur
PR-127 11.017.7 PR-121 / PR-128 in YaucoPR-2 in Peñuelas ——
PR-128 36.558.7 PR-2 / PR-3334 in YaucoPR-1111 / PR-4128 in Lares 01953-01-011953[27]current Part of the Ruta Panorámica
PR-129 26.843.1 PR-135 in AdjuntasPR-2 in Arecibo 01953-01-011953[32]current
PR-130 7.512.1 PR-129 in HatilloPR-119 in Hatillo 01953-01-011953[32]current
PR-131 5.08.0 Guilarte Forest in AdjuntasPR-135 in Adjuntas 01953-01-011953[33]current Part of the Ruta Panorámica
PR-132 16.125.9 PR-2 / PR-136 in GuayanillaPR-123 in Ponce 01953-01-011953[34]current
PR-133 1.21.9 PR-123 / PR-1P in PoncePR-1 / PR-2 in Ponce ——
PR-134 10.917.5 PR-111 in LaresPR-129 in Hatillo —— Formerly PR-129
PR-135 14.022.5 PR-128 in LaresPR-123 in Adjuntas 01953-01-011953[33]current Part of the Ruta Panorámica
PR-136 0.210.34 PR-127 in GuayanillaPR-2 / PR-132 in Guayanilla ——
PR-137 11.117.9 PR-155 in MorovisPR-2 in Vega Baja ——
PR-138 1.62.6 PR-14 / PR-153 in CoamoPR-155 in Coamo ——
PR-139 15.725.3 PR-10 / PR-14 in PoncePR-143 in Ponce ——
PR-139R 1.82.9 PR-139 / PR-5139 in PonceParque Luis A. "Wito" Morales in Ponce —— Spur to Parque Luis A. "Wito" Morales and Cerillos Dam
PR-140 43.469.8 PR-143 in JayuyaPR-2 in Barceloneta 01953-01-011953[35]current
PR-141 12.920.8 PR-144 in JayuyaPR-140 in Utuado 01953-01-011953[35]current
PR-142 5.10[36]8.21 PR-159 in CorozalPR-2 in Dorado ——
PR-143 36.558.7 PR-123 in AdjuntasPR-162 in Barranquitas 01953-01-011953[37]current Part of the Ruta Panorámica
PR-144 11.418.3 PR-140 in JayuyaPR-149 in Ciales 01953-01-011953[35]current
PR-145 4.77.6 PR-146 / PR-149 in CialesPR-155 / PR-634 in Morovis ——
PR-146 17.628.3 PR-123 in AreciboPR-145 / PR-149 in Ciales ——
PR-147 —— PR-152 / PR-164 in NaranjitoPR-164 in Naranjito —— Became part of PR-5
PR-148 0.50.80 PR-164 / PR-167 in NaranjitoPR-5 / PR-826 in Naranjito ——
PR-149 45.372.9 PR-1 in Juana DíazPR-22 in Manatí 01953-01-011953[38]current
PR-149R 0.71.1 PR-149 in VillalbaPR-149 in Villalba —— Villalba business loop; formerly PR-149
PR-150 13.521.7 PR-149R in VillalbaPR-14 in Coamo 01953-01-011953[38]current
PR-151 7.812.6 PR-150 in VillalbaPR-143 in Villalba 01953-01-011953[38]current
PR-152 12.620.3 PR-156 in BarranquitasPR-5 / PR-164 in Naranjito 01953-01-011953[39]current
PR-152R 2.03.2 PR-143 in BarranquitasPR-152 in Barranquitas —— Barranquitas bypass
PR-153 8.914.3 PR-1 in Santa IsabelPR-14 / PR-138 in Coamo 01953-01-011953[40]current
PR-154 2.54.0 PR-153 in CoamoPR-543 in Coamo 01953-01-011953[40]current
PR-155 42.969.0 PR-14 in CoamoPR-2 / PR-688 in Vega Baja 01953-01-011953[41]current
PR-156 36.558.7 PR-597 / PR-5155 in OrocovisPR-1P in Caguas 01953-01-011953[42]current
PR-157 15.124.3 PR-149 in CialesPR-155 in Orocovis 01953-01-011953[37]current
PR-158 —— PR-52 in CayeyPR-1 in Cayey proposed[43]—
PR-158 —— PR-1 in Juana DíazFort Allen in Juana Díaz —— Now Calle 158
PR-159 12.820.6 PR-155 / PR-6623 in MorovisPR-165 in Toa Alta 01953-01-011953[41]current
PR-160 9.515.3 PR-159 in MorovisPR-2 in Vega Baja 01953-01-011953[44]current
PR-161 1.52.4 PR-1 in Santa IsabelPR-1 in Santa Isabel —— Santa Isabel northern bypass
PR-162 11.819.0 PR-1 in AibonitoPR-156 in Barranquitas 01953-01-011953[45]current
PR-163 2.84.5 PR-500 in PoncePR-2 in Ponce 01960-01-011960[46]current Part of the Avenida Las Américas
PR-164 10.216.4 PR-159 in CorozalPR-148 / PR-167 in Naranjito 01953-01-011953[47]current
PR-165 24.238.9 PR-164 in NaranjitoPR-2 / PR-23 in Guaynabo 01953-01-011953[39]current
PR-165R 0.40.64 PR-165 in Toa AltaPR-861 in Toa Alta —— Toa Alta business spur
PR-166 1.72.7 PR-102 in San GermánPR-122 in San Germán ——
PR-167 17.628.3 PR-156 / PR-7167 in ComeríoPR-165 in Toa Baja 01953-01-011953[42]current
PR-168 1.11.8 PR-2 in BayamónCalle Reverendo Domingo Marrero Navarro / Calle Río Cialitos in Bayamón ——
PR-169 3.15.0 PR-1 / PR-8834 in GuaynaboPR-20 in Guaynabo ——
PR-170 1.42.3 PR-206 in CayeyPR-14 / PR-731 in Cayey 01953-01-011953[21]current
PR-171 5.28.4 PR-14 in CayeyPR-172 / PR-734 in Cidra 01953-01-011953[21]current
PR-172 17.628.3 PR-156 in ComeríoPR-1 in Caguas 01953-01-011953[42]current
PR-173 20.032.2 PR-14 in AibonitoPR-1 / PR-8834 in Guaynabo 01953-01-011953[45]current
PR-174 14.122.7 PR-156 in Aguas BuenasPR-5 in Bayamón ——
PR-175 8.113.0 PR-1 in CaguasPR-181 / PR-8860 in Trujillo Alto 01953-01-011953[48]current
PR-176 7.311.7 PR-175 in Trujillo AltoPR-1 / PR-21 in San Juan 01953-01-011953[48]current
PR-177 6.510.5 PR-174 in BayamónPR-176 in San Juan ——
PR-178 2.03.2 PR-3 in ArroyoPR-3 / PR-753 in Arroyo 01953-01-011953[49]current Arroyo business loop
PR-179 12.620.3 PR-15 in GuayamaPR-184 in Cayey —— Part of the Ruta Panorámica
PR-180 1.72.7 PR-701 in SalinasPR-1 / PR-52 in Salinas —— Salinas bypass
PR-181 42.6668.65 PR-3 in PatillasPR-17 in San Juan 01953-01-011953[50]current Part of the Ruta Panorámica
PR-182 9.915.9 PR-181 in YabucoaPR-3 in Yabucoa 01953-01-011953[51]current Part of the Ruta Panorámica
PR-183 13.922.4 PR-1 in CaguasPR-198 in Las Piedras 01953-01-011953[23]current
PR-184 20.833.5 PR-3 in PatillasPR-1 in Cidra 01953-01-011953[21]current Part of the Ruta Panorámica
PR-185 13.121.1 PR-30 in JuncosPR-9959 in Canóvanas 01953-01-011953[23]current
PR-186 16.726.9 PR-185 in CanóvanasPR-3 in Río Grande 01953-01-011953[52]current
PR-187 18.730.1 PR-26 in CarolinaPR-3 / PR-66 in Río Grande 01953-01-011953[52]current
PR-187R 0.681.09 PR-3 in Río GrandePR-187 in Río Grande —— Río Grande business spur
PR-188 3.65.8 PR-3 / PR-9188 in CanóvanasPR-187 in Loíza ——
PR-189 9.415.1 PR-1 / PR-33 in CaguasPR-30 / PR-31 in Juncos ——
PR-190 2.54.0 PR-3 / PR-8887 in CarolinaPR-26 in Carolina ——
PR-191 14.924.0 PR-31 in NaguaboPR-3 in Río Grande 01953-01-011953[52]current Exists in two segments in the El Yunque National Forest.
PR-192 1.93.1 PR-3 in NaguaboPR-31 in Naguabo 01953-01-011953[53]current
PR-193 1.52.4 PR-3 in LuquilloPR-3 / PR-992 in Luquillo —— Luquillo business loop
PR-194 3.04.8 PR-3 in FajardoPR-3 / PR-940 in Fajardo ——
PR-195 2.13.4 PR-3 in FajardoPort of Fajardo ——
PR-196 1.72.7 PR-156 in CaguasPR-1 in Caguas ——
PR-198 9.214.8 PR-31 in JuncosPR-3 in Humacao ——
PR-198R 0.500.80 PR-198 in HumacaoPR-198 in Humacao ——
PR-199 13.421.6 Urbanización Portobello in Toa AltaPR-181 / PR-876 in Trujillo Alto —— PR-199 exists into two segments due to an unconstructed portion between Bayamón and Guaynabo.
PR-200 3.91[54]6.29 PR-994 in ViequesBarrio Puerto Diablo in Vieques ——
PR-200R 0.93[54]1.50 PR-200 in ViequesSector Santa María in Vieques ——
PR-201 4.47[54]7.19 Barrio Llave in ViequesPR-200 in Vieques ——
PR-203 4.26.8 PR-183 / PR-9931 in San LorenzoPR-30 in Gurabo ——
PR-204 1.42.3 PR-183 in Las PiedrasPR-198 in Las Piedras ——
PR-204 —— PR-2 in BarcelonetaPR-140 in Barceloneta —— Renumbered to PR-140
PR-205 0.250.40 PR-31 in NaguaboPR-53 in Naguabo ——
PR-206 1.11.8 PR-1 in CayeyPR-14 in Cayey ——
PR-208 —— PR-156 in Aguas BuenasPR-156 in Aguas Buenas proposed[55]— Aguas Buenas northern bypass
PR-212 1.62.6 PR-2 / PR-4494 in IsabelaPR-4472 in Isabela —— Formerly portion of PR-4494 extension
PR-238 3.15.0 PR-153 in CoamoPR-14 in Coamo —— Former portion of PR-138
PR-239 3.35.3 PR-2 / PR-114 in MayagüezPR-2 in Mayagüez —— Formerly PR-2R[13]
PR-250 5.47[56]8.80 Port of CulebraZoni Beach in Culebra —— Formerly PR-998[57]
PR-251 1.74[56]2.80 PR-250 in CulebraFlamenco Beach in Culebra —— Formerly PR-999[57]
PR-252 0.931.50 PR-250 in CulebraBarrio Playa Sardinas I in Culebra ——
PR-253 1.99[56]3.20 Calle Punta Soldado in CulebraPR-250 in Culebra ——
  •       Former
  •       Proposed and unbuilt
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Tertiary highways

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"For your safety" driving in Puerto Rico sign
Thumb
PR-1 and PR-8834 in Guaynabo, Puerto Rico

Tertiary highways also follow a general grid. Towns which do not border the Atlantic Ocean or the Caribbean Sea, especially in the mountainous area, may overlap this grid, for example Ciales may have both highways in the 600-699 grid and the 500-599 grid, depending where they begin further north or further south. Generally along the areas where the highways are, the lower the number, the more south it is. Culebra is the only town in Puerto Rico that does not fall in any of the regions, for only PR-250 and PR-251 are the main routes. The entire immediate metropolitan area of San Juan with the exception of Caguas falls in the 800 region, while the entire east coast (north and south) east of San Juan, Caguas and Patillas fall in the 900 region. This is because the eastern portion of Puerto Rico has a southeastern coast which goes to the west from Humacao, which roughly defines where the Vieques Passage and the Caribbean Sea meet along the coast. Yabucoa is in the exact south-southeast area and lies in the 900 region, while Maunabo overlaps the 700's and 900's regions. Vieques, an offshore island-municipality, has some highways in the 900 order.

Some roads are numbered using four digits. For example, PR-5506. These are branches, or spurs, of tertiary roads by the same last three digit number. Thus, PR-5506 is a branch of PR-506. They are often dead end branches, and are common in the mountain regions of the main island. Sometimes they are loops branching off the main road and eventually connecting back to the same main tertiary road. The “fourth” digit is generally a repeat of the first digit of the main tertiary road in question. Thus, a branch of PR-301 would be signed PR-3301, with the added 3 prefixing the number of the main tertiary road associated with the spur, 301, because 3 is the first digit of the main road. When the road has more than one distinct spur, an additional unrelated digit is used (example, PR-4301).

More information Number, Length (mi) ...
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
PR-301 7.111.4 Los Morrillos Light in Cabo RojoPR-101 in Cabo Rojo ——
PR-326 2.74.3 PR-116 in GuánicaPR-121 in Yauco 02015-01-012015current Formerly PR-1116[31]
PR-339 3.15.0 PR-105 in MayagüezPR-119 in Mayagüez —— Part of the Ruta Panorámica
PR-344 4.06.4 PR-345 in HormiguerosPR-348 in Mayagüez 01953-01-011953[25]current
PR-365 —— PR-368 in Sabana GrandePR-105 in Maricao —— Part of the Ruta Panorámica
PR-366 —— PR-120 in Sabana GrandePR-365 in Maricao —— Part of the Ruta Panorámica
PR-385 3.295.29 PR-127 in PeñuelasPR-132 in Peñuelas 01953-01-011953[34]current
PR-413 3.86.1 PR-115 in RincónPR-115 in Rincón ——
PR-435 —— PR-119 in San SebastiánPR-124 in Lares ——
PR-438 1.11.8 PR-111 in San SebastiánBarrio Juncal in San Sebastián ——
PR-453 —— PR-1111 in LaresPR-119 in Quebradillas 01953-01-011953[27]current
PR-462 1.502.41 PR-2 / PR-463 in AguadillaPR-110 in Moca ——
PR-467 —— PR-107 in AguadillaPR-459 in Aguadilla ——
PR-487 5.48.7 PR-129 in HatilloPR-130 / PR-488 in Hatillo 01953-01-011953[32]current
PR-500 1.82.9 Sector La Cotorra in PoncePR-132 in Ponce ——
PR-501 6.410.3 PR-123 in PoncePR-123 in Ponce ——
PR-502 3.25.1 PR-132 in PoncePR-501 in Ponce ——
PR-503 10.617.1 Calle Salsa in PoncePR-143 in Utuado ——
PR-504 4.36.9 PR-10 / PR-503 in PoncePR-505 in Ponce ——
PR-505 10.216.4 PR-139 in PoncePR-503 in Ponce ——
PR-506 1.21.9 Urbanización Hacienda Juliana in PoncePR-14 in Ponce ——
PR-507 —— Sector Buyones in PoncePR-1 in Ponce ——
PR-510 6.410.3 PR-1 in PoncePR-14 in Juana Díaz ——
PR-511 11.718.8 PR-14 in PoncePR-143 in Ponce ——
PR-515 0.931.50 PR-123 in PoncePR-10 in Ponce ——
PR-516 1.93.1 Sector Santas Pascuas in PoncePR-123 in Ponce ——
PR-518 7.512.1 PR-131 in AdjuntasPR-123 in Adjuntas 01953-01-011953[33]current Part of the Ruta Panorámica
PR-520 —— PR-391 in PeñuelasPR-502 in Ponce ——
PR-525 3.65.8 PR-135 in AdjuntasPR-131 in Adjuntas 01953-01-011953[33]current Part of the Ruta Panorámica
PR-536 —— PR-1 / PR-537 in Santa IsabelPR-14 in Juana Díaz 01953-01-011953[40]current
PR-538 1.11.8 Calle Vista Mar in Santa IsabelPR-1 in Santa Isabel 01953-01-011953[40]current
PR-549 2.13.4 Sector Ranchete in PoncePR-132 in Ponce ——
PR-567 10.116.3 PR-157 in OrocovisPR-145 / PR-6622 in Morovis 01953-01-011953[41]current
PR-568 18.730.1 PR-5155 in OrocovisPR-159 in Corozal 01953-01-011953[47]current
PR-577 0.120.19 PR-143 in PonceCerro Maravilla in Ponce ——
PR-578 0.500.80 PR-1 in PonceCalle Húcar in Ponce ——
PR-581 —— Sector Tiburones in PoncePR-1 in Ponce ——
PR-585 1.72.7 PR-123 in PoncePR-2R in Ponce ——
PR-588 1.11.8 PR-504 in PonceCamino La Zarza in Ponce —— Spur of PR-504
PR-591 1.93.1 PR-2 in PoncePR-2 in Ponce ——
PR-617 —— PR-155 / PR-618 in MorovisPR-155 / PR-159 in Morovis 01953-01-011953[41]current
PR-633 2.74.3 PR-149 in CialesPR-155 in Morovis 01953-01-011953[41]current
PR-642 —— PR-140 in FloridaPR-6685 in Manatí 01953-01-011953[58]current
PR-647 8.012.9 PR-159 / PR-5568 in CorozalPR-676 in Vega Alta 01953-01-011953[59]current
PR-679 1.72.7 PR-677 / PR-823 in DoradoPR-2 in Dorado 01953-01-011953[60]current
PR-690 4.77.6 PR-676 in Vega AltaCalle Principal in Vega Alta 01953-01-011953[59]current
PR-693 9.615.4 PR-2 / PR-165 in DoradoPR-690 in Vega Alta 01953-01-011953[60]current
PR-715 3.55.6 Sector Cercadillo in CayeyPR-1 in Cayey 01953-01-011953[21]current Part of the Ruta Panorámica
PR-722 4.87.7 PR-162 / PR-7718 in AibonitoPR-14 in Aibonito 01953-01-011953[45]current Part of the Ruta Panorámica
PR-723 6.09.7 PR-143 in CoamoPR-14 in Aibonito 01953-01-011953[45]current Ruta Panorámica
PR-735 1.72.7 PR-1 in CayeyPR-1 in Cayey 01953-01-011953[21]current Part of the Carretera Central
PR-741 —— PR-15 in CayeyBarrio Culebras Alto in Cayey 01953-01-011953[21]current Part of the Ruta Panorámica
PR-742 —— PR-179 in GuayamaPR-738 in Cayey —— Part of the Ruta Panorámica
PR-744 1.72.7 Sector Central Machete in GuayamaPR-3 in Guayama ——
PR-760 2.43.9 PR-3 in MaunaboPunta Tuna Light in Maunabo 01953-01-011953[61]current Part of the Ruta Panorámica
PR-784 —— PR-172 in CaguasPR-34 in Caguas ——
PR-798 2.94.7 PR-1 in CaguasPR-1 in San Juan —— Part of the Carretera Central
PR-802 4.16.6 PR-801 in CorozalPR-152 / PR-803 in Naranjito 01953-01-011953[47]current
PR-803 6.310.1 PR-152 / PR-802 in NaranjitoPR-164 in Corozal ——
PR-805 4.57.2 PR-568 in CorozalPR-803 in Corozal ——
PR-806 —— PR-159 in CorozalPR-823 in Toa Alta ——
PR-807 4.36.9 PR-805 in CorozalCalle San Manuel in Corozal ——
PR-808 —— PR-803 in CorozalPR-811 in Naranjito ——
PR-810 2.33.7 PR-152 in NaranjitoPR-164 in Naranjito —— Formerly PR-152
PR-811 —— PR-152 in NaranjitoPR-164 in Naranjito ——
PR-818 2.74.3 Sector Baja del Palo in CorozalPR-159 in Corozal 01953-01-011953[47]current
PR-819 2.64.2 PR-861 in Toa AltaPR-863 in Toa Baja ——
PR-820 —— PR-677 / PR-678 in Vega AltaPR-823 in Toa Alta 01953-01-011953[59]current
PR-821 3.76.0 PR-891 in CorozalPR-630 in Corozal 01953-01-011953[47]current
PR-823 4.57.2 PR-677 / PR-679 in DoradoPR-165 in Toa Alta ——
PR-862 2.23.5 PR-861 in BayamónPR-864 in Bayamón ——
PR-863 1.62.6 PR-2 in Toa BajaPR-862 in Toa Baja ——
PR-864 1.32.1 PR-2 in BayamónPR-2 in Bayamón ——
PR-866 4.87.7 PR-2 in Toa BajaPR-167 in Toa Baja ——
PR-869 2.94.7 PR-5 in CatañoPR-165 in Cataño ——
PR-870 1.32.1 PR-165 in Toa BajaIsla de Cabras in Toa Baja ——
PR-873 1.11.8 PR-1 in San JuanPR-1 in San Juan —— Part of the Carretera Central
PR-888 2.23.5 PR-165 in CatañoPR-5 in Cataño ——
PR-891 1.11.8 PR-159 in CorozalPR-159 in Corozal —— Formerly PR-159[47]
PR-901 9.415.1 PR-760 in MaunaboPR-9910 in Yabucoa 01953-01-011953[61]current Part of the Ruta Panorámica
PR-906 —— PR-3 in YabucoaPR-3 in Humacao 01953-01-011953[51]current
PR-908 8.413.5 PR-3 in YabucoaPR-3 in Humacao 01953-01-011953[62]current
PR-939 1.82.9 PR-760 in MaunaboSector Quebrada Arenas in Maunabo —— Part of the Ruta Panorámica
PR-943 —— PR-189 in GuraboPR-181 in Gurabo 01953-01-011953[50]current
PR-955 3.86.1 PR-3 in Río GrandePR-3 / PR-968 in Río Grande ——
PR-983 —— PR-988 in LuquilloPR-940 in Luquillo ——
PR-996 1.3[54]2.1 PR-201 in ViequesPR-201 in Vieques ——
PR-998 —— Port of CulebraZoni Beach in Culebra —— Renumbered to PR-250[56]
PR-999 —— PR-250 in CulebraFlamenco Beach in Culebra —— Renumbered to PR-251[56]
PR-1107 3.96.3 PR-2 / PR-111 in AguadillaPR-107 in Aguadilla —— Formerly PR-111
PR-1111 2.84.5 PR-111 in LaresBarrio Lares in Lares —— Formerly PR-111; Lares business loop
PR-1116 —— PR-116 in GuánicaPR-121 in Yauco —— Formerly PR-116R; renumbered to PR-326[31]
PR-1150 —— PR-5520 in VillalbaPR-150 in Coamo ——
PR-1181 —— PR-3 in PatillasPR-3 in Patillas ——
PR-3101 0.931.50 Calle San Blas in LajasPR-101 in Lajas ——
PR-3108 0.931.50 PR-2 in MayagüezPR-108 in Mayagüez ——
PR-3116 2.13.4 PR-116 in GuánicaPR-116 in Guánica —— Formerly PR-116
PR-3131 3.35.3 PR-132 in GuayanillaSector Malpaso in Peñuelas ——
PR-3132 1.42.3 PR-132 in PeñuelasPR-132 in Peñuelas —— Exists in two segments as the section between PR-3384 and PR-132 is under construction.
PR-3301 1.82.9 Calle Mariana Bracetti in Cabo RojoPR-301 in Cabo Rojo ——
PR-3342 0.681.09 PR-102 in MayagüezPR-64 / PR-102 in Mayagüez —— Calle Concordia
PR-3344 0.811.30 PR-309 in HormiguerosPR-344 in Hormigueros —— Hormigueros spur
PR-4010 0.871.40 PR-110 in AguadillaRamey Air Force Base in Aguadilla —— Formerly PR-110R
PR-4025 0.931.50 PR-110 in MocaPR-110 in Moca —— Formerly PR-110R
PR-4110 0.560.90 PR-443 in AguadillaPR-110 in Moca ——
PR-4111 0.560.90 PR-111 in San SebastiánPR-111 in San Sebastián —— Formerly PR-111
PR-4116 0.931.50 PR-116 in GuánicaPR-333 in Guánica —— Formerly PR-116R; Guánica business route
PR-4119 4.57.2 PR-485 in QuebradillasPR-119 in Camuy —— Formerly PR-485
PR-4128 0.751.21 PR-111 in LaresPR-128 / PR-1111 in Lares ——
PR-4413 0.621.00 PR-413 in RincónDomes Beach in Rincón ——
PR-4415 0.751.21 PR-417 in AguadaPR-115 in Aguada —— Formerly PR-115R
PR-4435 —— Quebrada Las Cañas in San SebastiánPR-435 in San Sebastián ——
PR-4440 —— Parque de Colón in AguadaPR-1107 in Aguadilla ——
PR-5139 1.72.7 PR-14 in PoncePR-139 / PR-139R in Ponce ——
PR-5141 1.32.1 PR-144 in JayuyaPR-141 in Jayuya —— Jayuya northwest bypass
PR-5144 0.470.76 PR-144 in JayuyaPR-141 in Jayuya —— Jayuya east bypass
PR-5155 0.811.30 PR-155 in OrocovisPR-155 in Orocovis —— Formerly PR-155; Orocovis business route
PR-5156 0.160.26 PR-155 in OrocovisPR-156 in Orocovis ——
PR-5506 0.871.40 PR-1 in PoncePR-10 in Ponce ——
PR-5510 0.871.40 PR-1 in PoncePR-510 in Juana Díaz ——
PR-5525 0.681.09 Barrio Limaní in AdjuntasPR-525 in Adjuntas ——
PR-5538 1.21.9 PR-538 in Santa IsabelPR-1 / PR-5507 in Santa Isabel ——
PR-5549 —— Barrio Canas Urbano in PoncePR-2 / PR-2R in Ponce ——
PR-5561 —— PR-149 in VillalbaPR-150 in Villalba ——
PR-5567 1.72.7 PR-567 in MorovisBarrio Vaga in Morovis ——
PR-5568 2.74.3 PR-568 in CorozalPR-159 / PR-647 in Corozal ——
PR-6111 1.72.7 PR-123 in UtuadoPR-111 in Utuado —— Formerly PR-111R; Utuado business loop
PR-6140 —— PR-2 in BarcelonetaPR-140 in Barceloneta —— Formerly PR-140
PR-6165 0.500.80 PR-693 in DoradoPR-165 in Dorado —— Dorado business route
PR-6633 0.140.23 PR-6685 in CialesPR-149 in Ciales ——
PR-6642 —— PR-642 in FloridaPR-140 in Florida ——
PR-6685 7.411.9 PR-146 in CialesPR-2 in Manatí —— Formerly PR-149
PR-6690 1.72.7 PR-693 in Vega AltaPR-690 in Vega Alta ——
PR-6693 0.811.30 PR-696 in DoradoPR-693 in Dorado —— Dorado southern bypass
PR-7014 —— PR-14 in CayeyCalle Enramada in Cayey ——
PR-7156 1.72.7 PR-156 in Aguas BuenasPR-156 in Caguas —— Formerly PR-156
PR-7167 —— PR-156 / PR-167 in ComeríoLa Plata River in Comerío —— Formerly PR-156
PR-7173 0.811.30 Sector Las Corujas in Aguas BuenasPR-173 in Aguas Buenas ——
PR-7707 —— PR-3 in GuayamaPR-53 in Guayama ——
PR-7718 —— PR-14 in AibonitoPR-162 / PR-722 in Aibonito —— Part of the Ruta Panorámica[63]
PR-7722 3.96.3 PR-722 in AibonitoPR-1 in Cayey —— Part of the Ruta Panorámica
PR-7737 —— PR-715 in CayeyPR-15 in Cayey —— Part of the Ruta Panorámica
PR-7740 —— PR-184 in PatillasPR-181 in San Lorenzo —— Part of the Ruta Panorámica
PR-7741 —— PR-741 in CayeyPR-742 in Guayama —— Ruta Panorámica
PR-7760 1.21.9 PR-760 in MaunaboPR-901 in Maunabo ——
PR-8176 0.871.40 PR-176 in San JuanPR-176 in San Juan ——
PR-8177 0.500.80 PR-177 in GuaynaboPR-841 in Guaynabo ——
PR-8811 —— PR-164 in NaranjitoSector Cuchillas Pacheco in Naranjito ——
PR-8834 —— PR-1 / PR-173 in GuaynaboPR-1 / PR-169 in Guaynabo —— Part of the Carretera Central
PR-8838 —— PR-177 in San JuanPR-1 in San Juan —— Part of the Carretera Central
PR-8865 —— PR-165 in DoradoPR-2 in Toa Baja ——
PR-8869 1.62.6 PR-869 in CatañoPR-5 in Cataño ——
PR-9030 —— PR-189 in GuraboPR-933 in Gurabo ——
PR-9185 1.62.6 PR-185 in JuncosPR-31 in Juncos ——
PR-9188 0.681.09 PR-66 in CanóvanasPR-3 / PR-188 in Canóvanas ——
PR-9189 0.871.40 PR-189 in GuraboSector Preciosa in Gurabo ——
PR-9918 —— PR-182 in YabucoaPR-920 in Yabucoa ——
PR-9974 —— PR-973 / PR-9973 in NaguaboPR-978 in Ceiba ——
  •       Former
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Interstates

Thumb
Map of Puerto Rico's Interstate Highways

There are no Interstate-signed highways in Puerto Rico, but there are roadways that have received up to 90% of their funding from the US Interstate Highway System.[64] Still, at least as of 2007, none of such highways funded by the Interstate Highway program were planned or built to the standards of the Interstate Highway System.[65] As of March 2001, Puerto Rico had 410 km (250 mi) of such roadways.[66] As of 2001, there were three highways in Puerto Rico funded under the Interstate Highway Program.[67] These routes—such as with Interstate Highways in Alaska and Interstate Highways in Hawaii—do not connect to the Interstate Highway System in the contiguous United States.

Like Interstate routes in Alaska, Puerto Rico Interstate routes are unsigned. For administrative and funding purposes, the three routes have been designated as PRI-1, PRI-2 and PRI-3[67] and run along various combinations of Puerto Rico routes. They do not follow the even-and-odd-number rule used in mainland United States that indicates direction of travel. Per Section 103(c)(1)(B) (ii), Title 23, United States Code (23 U.S.C.) Puerto Rico is exempt from the design standards of Section 109(b).[64]

Puerto Rico's Interstate routes should not be confused with Puerto Rico Routes PR-1, PR-2, and PR-3, which are other major highways in Puerto Rico.[68]

More information Route, Component routes ...
Route Component routes Length
mi[69]		 Length
km		 From To
PR-1 PR-52
PR-18		 71.08114.39 PR-2 in Ponce PR-22 in San Juan (PR-22/PR-18 interchange)
PR-2 PR-2
PR-22		 138.13222.30 PR-1 in Ponce PR-18 in San Juan (PR-22/PR-18 interchange)
PR-3 PR-53
PR-3
PR-26
PR-22		 55.1688.77 PR-30 in Humacao PR-18 in San Juan (PR-22/PR-18 interchange)
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See also

Notes

  1. The segment south of the Ponce Bypass (PR-2) was built in 1960. The segment north of PR-2 was built in the 1990s, and completed in 2002.

References

External links

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