济南年底“四线齐发”！地铁4号线月底开启空载试运行

Group 1 - The Jinan Metro Group has announced the commencement of a three-month trial operation for Line 4, starting on August 31, with an expected operational launch by the end of 2025. The trial will focus on safety and reliability testing of various systems and training for operational staff [1] - Significant progress has been made on the eastern section of Line 6, which is a key project in the Jinan Metro's second phase planning. The eastern section spans approximately 19.5 kilometers with 17 underground stations and is on track for operational launch by the end of this year [1][2] - The Line 8 Phase 1 project began dynamic testing in June, with a total length of 25.5 kilometers and 14 stations. The testing aims to ensure all systems meet safety and operational standards, with completion expected by the end of the year [2] Group 2 - The High-tech East District Yunba project has initiated a three-month trial operation, expected to open in early December. The line is 30.55 kilometers long with 32 stations and features an automated driverless system [3] - The Yunba project will connect seamlessly with the Jinan Metro network through five transfer stations, significantly improving commuting efficiency for residents and workers in the area [3] - The Jinan Metro Group is committed to accelerating project construction and operational preparations, ensuring timely openings of all lines to support urban development and enhance the city's capabilities [3]