酝酿十载，济南CBD地下环路即将试运行

Core Points - The underground ring road in Jinan CBD is set to begin trial operation after nearly 10 years of construction, with a focus on improving traffic flow in the area [1][5][7] - The ring road is designed to connect various underground parking facilities within the CBD, primarily serving to alleviate traffic congestion from these garages [2][4] Group 1: Construction and Design - The underground ring road has been under construction since 2016, with the main structure completed by 2021, and it spans approximately 4 kilometers in total length [5][6] - The project includes 27 access points to connect to five major towers and 24 underground parking lots, providing a total of 9,800 parking spaces [4][5] - The design incorporates advanced international concepts, promoting a "dense road network" and "small block" development to ensure smooth traffic flow [5][7] Group 2: Traffic Management and Operations - The Jinan Traffic Police will establish traffic organization around the ring road's entrances and implement an emergency response mechanism to ensure safe and orderly trial operations [2] - The ring road will prohibit motorcycles, non-motorized vehicles, and pedestrians to maintain traffic efficiency [2][3] Group 3: Current Traffic Issues - The CBD area has been experiencing significant traffic congestion and illegal parking, with many nearby office buildings not yet opening their parking facilities [3][4] - Local businesses and residents express hope that the opening of the underground ring road will alleviate these ongoing traffic issues [3][4] Group 4: Future Developments - By 2025, the Jinan CBD is expected to fully operate, with plans for 92 office buildings and several high-rise structures, enhancing the area's development potential [7] - The completion of the underground ring road and associated infrastructure will be crucial for the future functionality and efficiency of the CBD [7]