Despite wider historical use, rail transport in the Philippines is extremely limited, being confined to transporting passengers within Metro Manila and neighboring Laguna, with a separate short track in the Bicol Region. There are plans to revive Freight transport to reduce road congestion. , the country had a railway footprint of only 79 kilometers, which it had plans to expand up to 244 kilometers. Metro Manila is served by three rapid transit lines: LRT Line 1, LRT Line 2 and MRT Line 3. The PNR South Commuter Line transports passengers between Metro Manila and Laguna. Railway lines that are under-construction include the Line 2 East Extension Project (2020), the MRT Line 7 (2020), the Metro Manila Subway (2025), and the PNR North-South Commuter Railway which is divided into several phases, with partial operations to begin in 2022. The civil airline industry is regulated by the Civil Aviation Authority of the Philippines. Philippine Airlines is Asia's oldest commercial airline still operating under its original name. Cebu Pacific is the countries leading low-cost carrier.