AERIAL VIEW! The progress of MRT Line 7 project depot! The Metro Rail Transit Line 7, also known as MRT Line 7 or MRT-7, is a rapid transit line under construction in the Philippines. When completed, the line will be 22.8 kilometers (14.2 mi) long, with 14 stations, and the first line to have a third rail electrification. [3] The line runs in a northeast-southwest direction, beginning at San Jose del Monte, Bulacan up to the North Triangle Common Station in North Avenue, Quezon City. | Angie Esc