MRT Line 3, also known as the Metro Rail Transit Line 3, is a rapid transit system in Metro Manila, Philippines. It runs along the busy thoroughfare of Epifanio de los Santos Avenue (EDSA) and connects key areas such as Quezon City, Mandaluyong, and Pasay City. The line spans approximately 16.9 kilometers and has 13 stations, providing a vital transportation option for commuters in the metropolitan area. Opened in 1999, MRT Line 3 is designed to alleviate traffic congestion and improve public transport efficiency. It operates on a standard gauge and is primarily elevated, with some sections at ground level. The line is an essential part of the Philippine transportation network, serving thousands of passengers daily.