The President Sergio Osmeña Sr. Highway (often shortened as Osmeña Highway), also known as the South Superhighway, is a 4.595-kilometer (2.855 mi) major highway that links Quirino Avenue in Paco, Manila to Epifanio de los Santos Avenue (EDSA) and South Luzon Expressway (SLEX) at the Magallanes Interchange in Makati. The highway is designated as a component of National Route 145 (N145) of the Philippine highway network and of Radial Road 3 (R-3) of Metro Manila's arterial road network.