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The expressways mostly runs through the Parañaque-Taguig boundary until it comes near Sucat, where it crosses Dr. The subtransmission line of Meralco can also be seen on this exit.South Luzon Expressway and Skyway enters Muntinlupa, passing over barangays Sucat, Buli, and Cupang, before approaching Alabang.
The Metropolitan Manila Development Authority (MMDA) has jurisdiction also of both segments, and maintains motorcycle lanes up to Nichols.The 230k V Sucat-Araneta-Balintawak transmission line of NGCP also parallels the highway until Maricaban Creek in Makati.It then crosses San Andres Street, Ocampo (Vito Cruz) Street, and Zobel Roxas Street.The highway climbs over to pass above Gil Puyat Avenue through the Buendia Flyover, with service roads to serve that avenue and several side streets.The Skyway starts on the ramps past Buendia Flyover.It starts in Manila's Paco District at Quirino Avenue and passes through the following cities and municipalities: Makati, Pasay, Parañaque, Taguig and Muntinlupa in Metro Manila, San Pedro and Biñan in Laguna, Carmona in Cavite, then transverses again to Biñan, Santa Rosa, Cabuyao and Calamba in Laguna and ends in Santo Tomas in Batangas.
Most of the part of the expressway is part of the N1 (AH26) from Magallanes Interchange onto Calamba Exit (Exit 50).
Past C-5 Exit, Skyway runs over South Luzon Expressway up to Alabang.
South Luzon Expressway slightly curves and passes over Bicutan, running as a straight route with the Skyway above until it reaches Alabang Exit and Alabang Viaduct.
South Luzon Expressway climbs over the Maharlika Highway (National Road or Manila South Road) through the Alabang Viaduct, with a transmission line mentioned before crosses the viaduct, before it descends and becomes the Alabang-Calamba-Santo Tomas Expressway (ACTEx) or South Luzon Tollway (SLT).
From Kilometer 28.387 at San Pedro, Laguna southwards, the Dr. Rizal Highway segment runs through the province of Laguna, as well as a segment of Carmona at Cavite province before continuing back to Laguna from Biñan towards the exit at Calamba through the Maharlika Highway.
Maintained by Department of Public Works and Highways and Metropolitan Manila Development Authority (Osmeña Highway/South Superhighway), Skyway Operations and Maintenance Corporation (Metro Manila Skyway), and Manila Toll Expressway Systems, Inc.