Radial_Road_1
Radial Road 1
Route in Metro Manila
Radial Road 1 (R-1), informally known as the R-1 Road, is a network of roads and bridges that all together form the first arterial road of Metro Manila in the Philippines.[1] Spanning some 42.67 kilometers (26.51 mi), it connects the cities and municipalities of Bacoor, General Trias, Imus, Kawit, Las Piñas, Manila, Naic, Noveleta, Parañaque, Pasay, and Tanza in Cavite and Metro Manila.