根据市交通委、市生态环境局、市公安局于2024年9月发布的《关于本市国四柴油载货汽车限制通行政 策的通告》，自2025年10月15日起，全天禁止国四柴油载货汽车在本市G1503上海绕城高速范围以内的 道路上（不含G1503上海绕城高速以及G1503上海绕城高速高架段投影下的地面道路）行驶。违反通行 规定的，由本市公安交通管理部门根据《中华人民共和国道路交通安全法》的有关规定依法处理。（上 海发布） ...

Core Viewpoint - The Shanghai government has announced a policy to restrict the operation of National IV diesel cargo vehicles within the G1503 Shanghai Ring Expressway starting from October 15, 2025, as part of efforts to improve air quality and traffic management [1] Group 1: Policy Details - The restriction will apply to all roads within the G1503 Shanghai Ring Expressway, excluding the expressway itself and the ground roads projected under the elevated sections [1] - The policy is set to be enforced by the Shanghai Municipal Traffic Management Department, which will handle violations according to the relevant laws [1] Group 2: Implications - This policy is likely to impact logistics and transportation companies operating diesel cargo vehicles in the region, potentially leading to increased operational costs or the need for fleet upgrades [1] - The move aligns with broader environmental goals, indicating a shift towards stricter regulations on vehicle emissions in urban areas [1]