Highway 27
Ruta 27
Avenida José Celso Barbosa
Route information
Maintained by Puerto Rico DTPW
Length	4.9 km[1] (3.0 mi)
Major junctions
South end	PR-3 in Sabana Llana Sur–Pueblo
Major intersections	PR-47 in Pueblo PR-899 in Universidad PR-17 in Universidad PR-23 in Oriente–Hato Rey Central PR-40 in Oriente–Hato Rey Central
North end	PR-36 in Santurce
Location
Country	United States
Territory	Puerto Rico
Municipalities	San Juan
Highway system
Roads in Puerto Rico List
← PR-26 → PR-28

Puerto Rico Highway 27 (PR-27) is a north–south avenue located in San Juan, Puerto Rico, known as Avenida José Celso Barbosa.^[2] This highway extends from Avenida 65 de Infantería (PR-3) to Avenida Borinquen (PR-36) in Santurce, east of downtown Río Piedras and Hato Rey.^[3]

Major intersections

The entire route is located in San Juan. 

Location	km[1]	mi	Destinations	Notes
Sabana Llana Sur–Pueblo line	0.0	0.0	PR-3 (Avenida 65 de Infantería) – Carolina, Trujillo Alto, Caguas, Cupey	Southern terminus of PR-27
Pueblo	0.4	0.25	PR-47 (Calle De Diego) – Río Piedras, Carolina
Universidad	0.8	0.50	PR-899 (Avenida Ramón B. López) / PR-Avenida Dr. José N. Gándara – Río Piedras
	1.4– 1.5	0.87– 0.93	PR-17 (Expreso Jesús T. Piñero) – San Juan, Guaynabo, Carolina, Trujillo Alto	Diamond interchange
Oriente–Hato Rey Central line	3.6	2.2	PR-23 west (Avenida Franklin Delano Roosevelt) – Hato Rey
	3.8	2.4	PR-40 (Avenida Quisqueya) – Hato Rey
Santurce	4.9	3.0	PR-36 (Avenida Borinquen) – San Juan, Santurce	Northern terminus of PR-27
1.000 mi = 1.609 km; 1.000 km = 0.621 mi