Skyway, officially known as the Metro Manila Skyway System (MMSS), is an elevated highway which is the main expressway in Metro Manila, Philippines. It connects the North (NLEX) and South Luzon Expressways (SLEX), providing access to Ninoy Aquino International Airport via the NAIA Expressway (NAIAX). It is the first fully grade-separated highway in the Philippines and one of the longest elevated highways in the world, with a total length of approximately 39.2 kilometers (24.4 mi).
The expressway runs above major existing highways in Metro Manila and the San Juan River. It passes through the highly urbanized areas of Caloocan, Quezon City, Manila, Makati, Pasay, Taguig, Parañaque, and Muntinlupa, easing congestion on other major thoroughfares. The Skyway is accessible to Class 1 vehicles, such as cars, vans, motorcycles above 400 cc (24 cu in), pick-up trucks, and SUVs, and Class 2 vehicles and public utility vehicles (PUVs).[5] Previously, Class 2 vehicles and PUVs were banned due to the construction of the extension project.
The Skyway connects the North and South Luzon Expressways. It runs above several major roads in Metro Manila, with strategically located entry and exit ramps. The expressway is divided into stages. Stage 3 runs from the North Luzon Expressway, near its Balintawak toll plaza in Caloocan, to Buendia exit in Makati; Stage 1 runs from Buendia to Bicutan in Parañaque, and Stage 2 runs from Bicutan to South Station (Alabang-Zapote) Exit in Alabang, Muntinlupa, and the South Luzon Expressway (SLEX) Elevated Extension,[4][9] formerly and also known as the Skyway Extension, from the Skyway Main Line toll plaza to the South Luzon Expressway near Soldiers Hills in Muntinlupa. Stages 1 and 2 are known as the South Metro Manila Skyway Project.[10] From 1999 to 2020, the Skyway was a dual three-lane elevated carriageway for most of its length (six lanes, three in each direction) separated by a median barrier until it was expanded to seven lanes from Alabang to Balintawak after the construction of Skyway Stage 3 and the SLEX Elevated Extension.[11] In addition, Stage 3's 2.70-kilometer (1.68 mi) segment from the future San Juan Interchange near the San Juan River to Plaza Dilao exit in Manila will be utilized by the future Pasig River Expressway (PAREX).[12]
From the North Luzon Expressway, the Skyway begins in Libis Baesa, Caloocan, about 1 kilometer (0.62 mi) south of the Balintawak toll plaza.[2] A possible connection to a future toll road to New Manila International Airport in Bulacan is at that exit.[13] It enters Quezon City and after rising above the Balintawak Interchange (where it crosses EDSA), it turns east towards Circumferential Road 3 (C-3), particularly Sgt. Rivera and G. Araneta Avenues. The expressway runs south above Araneta Avenue until it reaches the San Juan River. The Skyway follows the river to its mouth at the Pasig River in Manila before turning towards the San Miguel Yamamura packaging plant (owned by Skyway concessionaire San Miguel Corporation) in Pandacan. There, it will meet PAREX and the 1.2-kilometer (0.75 mi) elevated connecting road to the NLEX Connector in Santa Mesa that will branch off parallel to the Philippine National Railways (PNR) tracks.[14] The main expressway turns east onto Tomas Claudio Street (Paco–Santa Mesa Road) and Nagtahan Link Bridge towards Quirino Avenue (C-2). It then turns towards Osmeña Highway and enters Makati,[15] where the Buendia exit is located.
New one-lane road, with light traffic
Skyway/SLEX Elevated Extension northbound in Muntinlupa (December 2021)
The expressway rises above the Magallanes Interchange and returns to its original level after crossing EDSA. After the NAIA Interchange, it descends to ground level because of height restrictions on structures near Ninoy Aquino International Airport and parallels SLEX and the PNR tracks at the Pasay–Taguig boundary. The Skyway again rises near the C-5 Exit and Arca South, entering Parañaque. From Bicutan, at the start of Stage 2, it runs above SLEX. At the Sucat Exit, the Skyway rises above the east end of Dr. A. Santos Avenue and descends as it approaches the main toll plaza in Cupang, Muntinlupa. After the toll plaza, it meets the SLEX Elevated Extension which connects it to SLEX past the Alabang Viaduct, narrows to three lanes, and curves west before joining Alabang–Zapote Road near South Station in Alabang. The extension runs parallel to SLEX along the shoulder of the Alabang viaduct and Manila South Road, crossing the Alabang and Filinvest exits and descending to merge with SLEX near Pleasant Village and Soldiers Hills. A toll plaza will serve entering northbound vehicles at the Skyway Extension, about 2 kilometers (1.2 mi) north of the Susana Heights exit of SLEX. https://en.wikipedia.org/wiki/Skyway_...)
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