Group 1 - The Jinan Metro Line 4 and Line 8 have successfully passed project engineering acceptance, indicating readiness for trial operation [1] - Line 4 is scheduled to start a three-month trial operation on August 31, with an expected opening by the end of 2025 [1] - Line 8's first phase has begun dynamic debugging in June, with a total length of 25.5 kilometers and 14 stations, aiming for operation by the end of this year [1][2] Group 2 - The Jinan Metro Line 6 East Section, a key project in the city's transit network, has made significant progress, with dynamic debugging entering the final phase [2] - The East Section of Line 6 spans approximately 19.5 kilometers with 17 underground stations, focusing on seamless integration of various systems [2] - The High-tech East District Yunba project has commenced a three-month trial operation, expected to open in early December, featuring a unique design and energy-efficient technology [2][3] Group 3 - The Yunba project will connect to the Jinan Metro network through five transfer stations, enhancing commuter convenience and addressing public transport congestion [3] - The Jinan Metro Group is committed to standardizing construction and expediting station renovations and safety assessments to ensure timely operation of all lines [3]

齐鲁晚报·齐鲁壹点 季明智 近日，在济南市政府网站12345互动留言区，济南轨道交通集团对市民关注的4号线空载试运行问题作出回应。据悉，4号线计划于8月31日正式启动为期3个 月的空载试运行，预计2025年底开通运营。试运行期间，将重点对各设备系统和整体系统进行安全性、可靠性测试及考核，同时对运营作业人员培训、故障 模拟和应急演练等情况进行检验。作为融合智能、绿色和高效理念的城市轨道交通新动脉，4号线将为市民出行提供重要便利。 与此同时，济南轨道交通6号线东段建设也取得显著进展。今年以来，该线路顺利完成了长轨通、电通、冷滑、热滑等一系列关键节点任务。目前，6号线东 段动车调试已进入冲刺阶段，正朝着年底前开通运营目标稳步推进。 6号线是济南市轨道交通线网中贯通主城区的东西向骨干线，也是我省重点建设项目和济南市轨道交通二期规划的关键线路。东段工程为山东大学站至梁王 站（均为工程名）区段，全长约19.5公里，共设17座车站，全部为地下站。 据了解，目前6号线东段动车调试工作已进入冲刺阶段，涉及车辆、信号、通信等各类设备接口的无缝衔接与功能验证。运营筹备工作也在同步推进，地铁 运营人员已分批进驻6号线东段的10座车站 ...