壹探轨道|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 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, focusing on safety and reliability testing [1] - The construction of the eastern section of Line 6 has made significant progress, with key tasks completed and the trial operation entering a critical phase, aiming for operational readiness by the end of the year [3] - Line 8 Phase I has begun dynamic testing, which will last for two to three months to ensure all systems meet design standards for safe operation, with multiple teams conducting 24-hour testing [5] Group 2 - Line 8 connects Zhangqiu District with the main urban area, spanning 25.5 kilometers with 3 underground and 11 above-ground stations, expected to open by the end of the year alongside Line 4 [6] - The High-tech East District Yunba project has started a three-month trial operation, expected to open in early December, featuring a fully automated system and unique design for energy efficiency and noise reduction [8] - The Yunba project will connect seamlessly with the Jinan Metro network through five transfer stations, enhancing commuting convenience for residents and workers [10]