The
South Luzon Expressway (
SLE or
SLEx), formerly known as the
South Superhighway (SSH),
Manila South Diversion Road (MSDR), and
Manila South Expressway (MSEX), is a network of two expressways that connects
Metro Manila to the provinces of the
CALABARZON region in the
Philippines. The first expressway is the
Metro Manila Skyway System, operated jointly by the Skyway Operation and Management Corporation (SomCo) and Citra Metro Manila Tollways Corporation (CMMTC). The second expressway, the
South Luzon Tollway or
Alabang-Calamba-Sto. Tomas Expressway (ACTEX), is jointly operated by the South Luzon Tollway Corporation, a joint venture of the PNCC and the SMC-backed Citra group of Indonesia (the group where MTD Capital Berhad, the original partner, sold their shares) via the Manila Toll Expressway Systems, Inc. (MATES).