Puerto Rico Highway 21

Highway in Puerto Rico

Major junctionsWest end

PR-19 in Gobernador PiñeroMajor intersections

PR-20 in Monacillo Urbano–Gobernador Piñero
PR-841 in Gobernador Piñero–Monacillo Urbano
PR-18 in Monacillo Urbano

East end

PR-1 / PR-176 in El Cinco LocationCountryUnited StatesTerritoryPuerto RicoMunicipalitiesSan Juan Highway system

Roads in Puerto Rico

List

←

PR-20

→

PR-22

Puerto Rico Highway 21 (PR-21) is the main highway to get to the Medical Center and Veterans Hospital in San Juan, Puerto Rico. It begins at PR-19 in Guaynabo to San Juan before ending at PR-1.^[2]^[3]

Puerto Rico Highway 21
Heading west
Westbound sign

History

PR-6 was previously numbered as PR-21. Perhaps there were plans to connect current PR-21 to current PR-6, but such plans were never realized.

Major intersections

The entire route is located in San Juan.

PR-18 south at exit 5A to PR-21 west
PR-21 west at PR-18 junction
Signs for PR-19, PR-20 and PR-21

Location	km^[1]	mi	Destinations	Notes
Gobernador Piñero	5.0	3.1	PR-19 (Avenida Luis Vigoreaux) – Guaynabo	Western terminus of PR-21
Gobernador Piñero–Monacillo Urbano line	4.8– 4.7	3.0– 2.9	PR-20 (Expreso Rafael Martínez Nadal) – Guaynabo	No entrance ramp to PR-20 northbound
Gobernador Piñero–Monacillo Urbano line	3.4	2.1	PR-841 (Calle San Ignacio) – Guaynabo
Monacillo Urbano	2.4	1.5	PR-Avenida José de Diego – San Juan, Puerto Nuevo	Eastern terminus of PR-21 through Carretera Roberto Clemente Walker;^[4] western terminus of PR-21 through Avenida Ingeniero José "Kiko" Custodio
	1.5	0.93	PR-Avenida Centro Médico – San Juan	Partial cloverleaf interchange
	1.2– 1.1	0.75– 0.68	PR-18 (Expreso Las Américas) – San Juan, Caguas, Ponce	PR-18 exits 7A and 7B; partial cloverleaf interchange
El Cinco	0.0	0.0	PR-1 (Carretera Felipe "La Voz" Rodríguez) / PR-176 south (Avenida Ana G. Méndez) – Río Piedras, Caguas	Eastern terminus of PR-21
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Incomplete access Route transition

References

^ ^a ^b Google (28 February 2020). "PR-21" (Map). Google Maps. Google. Retrieved 28 February 2020.
^ National Geographic Maps (2011). Puerto Rico (Map). 1:125,000. Adventure Map (Book 3107). Evergreen, Colorado: National Geographic Maps. ISBN 978-1566955188. OCLC 756511572.
^ Puerto Rico Department of Transportation and Public Works. "Datos de Transito 2000-2009" (in Spanish). Archived from the original on 1 April 2019. Retrieved 29 March 2019.
^ "Para designar con el nombre de Roberto Clemente Walker la carretera PR-21, desde la intersección de la Avenida De Diego hasta la intersección de la carretera PR- 19, en San Juan, Puerto Rico". LexJuris (Leyes y Jurisprudencia) de Puerto Rico (in Spanish). 2020. Retrieved 29 December 2020.