Group 1 - The article highlights the optimization of pedestrian crossing times in response to public feedback, increasing the time from 30-35 seconds to 40 seconds to enhance safety and accessibility [1] - The city has implemented a new traffic management model that combines professional expertise, mechanisms, and big data to improve traffic flow and safety [2][3] - A specialized signal timing optimization team has been established, resulting in 4,386 traffic signal timing plans for 374 intersections, with the average crossing time decreasing by 5 seconds year-on-year [2] Group 2 - The integration of human resources and technology has significantly improved the standardization and intelligence of traffic control, making the city one of the least congested in the country according to a recent report [3] - The use of drones for traffic monitoring has enhanced the response speed and efficiency of traffic management, reducing the time to handle accidents significantly [4] - The police have developed a comprehensive emergency response mechanism for large events, ensuring effective traffic management through strategic drone deployment [5] Group 3 - The establishment of a volunteer traffic patrol team has engaged community members in maintaining traffic order, demonstrating a collaborative approach to traffic management [6][7] - The integration of public transport monitoring systems allows for real-time reporting of traffic issues, enhancing the responsiveness of traffic management [7] - The police department has actively engaged with various sectors to create a collaborative governance model, issuing over 1,700 traffic alerts and conducting numerous live broadcasts to inform the public [7]