Core Points - The opening of the toll station heading from the main urban area to Qingdao marks a significant milestone in the reconstruction of the Zero Point Interchange, set to begin trial operations on May 28 [1][2] - The Zero Point Interchange is a crucial hub in Jinan's high-speed road network, serving as the starting point of the Jiqing Expressway, and its reconstruction is part of a broader initiative to enhance traffic connectivity and functionality [1] - The redesigned interchange features a four-layer, multi-functional turbine-type hub that integrates expressways, urban fast roads, and main urban roads, making it the first of its kind in Shandong Province [1] Infrastructure Improvements - The top layer of the interchange will accommodate the north-south Second Ring East Elevated Road, with eight turning ramps connecting to the middle layer, which links to the Jiguang Expressway [1] - The middle layer allows for direct connections to the ground-level main roads, enhancing traffic flow between expressways and surface roads [1] - The ground level includes the north-south Second Ring East main road and the east-west Second Ring North Road, while the underground layer features the subway Line 7 and urban utility tunnels [1] Traffic Management - The new toll station is expected to alleviate congestion at the northern toll station in Jinan, especially during the upcoming Dragon Boat Festival holiday [2] - Additional toll stations in other directions are scheduled to open by the end of June, leading to full operational capacity of the Zero Point Interchange [2] - The completion of the interchange will create a rapid north-south corridor in eastern Jinan, improving connectivity between the main urban area and the starting area, while also enhancing integration with the national expressway network [2]