The South Luzon Expressway (SLEx) or (SLE), also called South Superhighway (SSH), is a network of three expressways that connects Metro Manila with the provinces of the CALABARZON region in the Philippines. The first expressway is operated jointly by Philippine National Construction Corporation (PNCC) and Citra Metro Manila Tollways Corporation (CMMTC), while the second expressway is solely operated by PNCC through its South Luzon Tollways Division, while the third expressway is operated by the STAR Infrastructure Development Corporation (STAR - IDC). Radial Road 3 is the alternate name of the SLEX.
It starts in Manila's Paco district at Pres. E. Quirino Avenue and ends in Lipa City in the province of Batangas at J.P. Laurel Highway., 81 kilometers south of Manila. Southwards, the SLEx passes through the following cities and municipalities: Manila, Makati, Pasay, Parañaque and Muntinlupa in Metro Manila, San Pedro and Biñan in Laguna, Carmona in Cavite, then Biñan (again), Santa Rosa City, Cabuyao and Calamba City in Laguna. Its Batangas segment, the Southern Tagalog Arterial Road or STAR Tollway, located entirely within the province of Batangas starts in the municipality of Santo Tomas and traverses Tanauan City, Malvar and currently ends in Lipa City.