Line 3 of Xi'an Metro is a rapid transit line running from northeast to southwest Xi'an, linking Xi'an International Trade & Logistics Park in the northwest through Xi'an Economic & Technological Development Zone to Yuhuazhai in the southwest. Line 3 is one of the three lines that form the main framework of Xi'an metro. Phase 1 of Line 3 was opened on November 8, 2016, with 19 underground stations and 7 overground stations. Phase 2 is still under construction. The line is colored purple on system maps.