Puerto Rico Highway 21

Highway 21
Highway 21
Ruta 21
Route information
	Maintained by Puerto Rico DTPW
Length	5.0 km (3.1 mi)
Major junctions
West end	PR-19 in Gobernador Piñero
	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
Location
Country	United States
Territory	Puerto Rico
Municipalities	San Juan
Highway system
	Roads in Puerto Rico; List;

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

^ Cite error: The named reference Google PR-21 was invoked but never defined (see the help page).
^ 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.

[Google_PR-21-1] Cite error: The named reference Google PR-21 was invoked but never defined (see the help page).

[NGAdvMap-2] National Geographic Maps (2011). Puerto Rico (Map). 1:125,000. Adventure Map (Book 3107). Evergreen, Colorado: National Geographic Maps. ISBN 978-1566955188. OCLC 756511572.

[DTOP-3] 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.

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