Beijing, December 12 (Youth.cn) - The first fully automatic transit line featuring viaducts of Chengdu, Line 27, is currently under trial runs. Line 27 is expected to go into full operation at the end of 2024. The first batch of passengers experienced Line 27 from Jinfu Station to Shuangshuinian Station, Lajiadian Station, and Xingcheng Avenue Station, respectively, on December 11. Photo/VCG