Core Viewpoint - Qingdao has significantly improved its urban road network through city renewal initiatives, focusing on enhancing connectivity and traffic efficiency, which supports economic and social development [2][3][4]. Group 1: Urban Road Network Development - Since the beginning of the 14th Five-Year Plan, Qingdao has concentrated on four key areas: rapid network formation, three-dimensional nodes, main road improvements, and secondary road connectivity [2]. - The completion rate of the rapid road network in the eastern urban area has increased from 47.3% to 73.6%, indicating a well-structured "four vertical and five horizontal" rapid road system [2]. - Major rapid road projects, including the Chongqing Elevated Road, have been completed, significantly reducing travel times across the city [3]. Group 2: Key Infrastructure Projects - The Liyang Road Rapid Road integrates multiple transportation modes, enhancing connectivity and reducing travel time from 40 minutes to approximately 15 minutes during non-peak hours [2]. - The Chongqing Elevated Road has reduced peak travel time from 50 minutes to under 20 minutes, greatly improving north-south connectivity in the city [3]. - Over 20 major arterial roads have been constructed, expanding the road network and alleviating traffic congestion in critical areas [4]. Group 3: Traffic Management and Efficiency - The construction of key interchanges, such as the Jinjialing Interchange, has improved the road network's capacity and traffic flow, addressing congestion at major junctions [4][5]. - The city has successfully completed the opening of 124 previously unconnected roads, enhancing the overall efficiency of the road network and improving citizens' travel experiences [5].