Radial Road 3

R-3
Radial Road 3
South Luzon Expressway in Muntinlupa, a portion of the R-3 Road
Major junctions
North end:	Quirino Avenue in the City of Manila
South end:	Southern Tagalog Arterial Road in Santo Tomas, Batangas
Highway system
Highways | Expressways

Radial Road 3 (R-3) is a network of roads and bridges that altogether form the third arterial road of Manila in the Philippines. The road runs north-south linking the City of Manila to the southern Metro Manila cities of Makati, Pasay, Taguig, Parañaque and Muntinlupa, down to San Pedro, Biñan, Santa Rosa, Cabuyao and Calamba in the province of Laguna, all the way to the Southern Tagalog Arterial Road from Santo Tomas to Batangas City in the province of Batangas. The portion of R-3 from Epifanio de los Santos Avenue (EDSA) in Makati to Calamba also forms part of the Pan-Philippine Highway network (AH26).

The road consists of the following segments from north to south:

Between its northern terminus at the intersection with Quirino Avenue in Paco district and the intersection with Circumferential Road 5 (C-5) in Taguig, R-3 is known as Osmeña Highway. It used to be known as South Superhighway which is the toll-free component of South Luzon Expressway in Metro Manila named after Commonwealth president Sergio Osmeña. It links Paco and San Andres south to Makati, Pasay and Fort Bonifacio before becoming a tollroad near the border with Parañaque.