Line 3 (Xiamen Metro)
Line 3 of the Xiamen Metro is a metro line in Xiamen. The line running from to, is long with 21 stations in operation. The line features a undersea tunnel. Construction began in August 2016 and the section from Xiamen Railway Station to Caicuo was opened on June 25, 2021. The remaining section of Phase 2, from Caicuo to Xiang'an Airport is currently under construction. A Southern extension to Shapowei is also under construction.