The extension runs underground for most of its length and adds 14 stations to Line 1.

The line is equipped with 1.5kV dc overhead electrification and services are operated by a fleet of six-car type B metro trains supplied by CRRC Nanjing Puzhen.

The initial 12.8km 10-station section of Line 1 from Xiamaixi to Guiyang North station opened in December 2017.

Construction began on the first phase of Line 2 in September 2015 and on the second phase of the project in February 2017. The 26.7km Phase 1 is due to open in 2020, while Phase 2 will be completed in 2023.

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