Core Viewpoint - The transportation integration between Chengdu and Chongqing has significantly improved over the past six years, enhancing connectivity and reducing travel times, which supports the development of the Chengdu-Chongqing economic circle [1][2][4]. Group 1: Transportation Infrastructure - The Chongqing-Zizhong Expressway is set to open on December 31, 2025, which will further reduce transportation time for blood oranges from Zizhong to Chongqing, showcasing the ongoing development of transportation networks between Sichuan and Chongqing [1]. - The Chengyu Expressway, after its expansion, will increase its capacity to accommodate an average of 100,000 vehicles per day, reducing travel time between the two cities by an additional hour [2]. - A total of 21 regional transportation standards have been established between Sichuan and Chongqing, leading the region in local standards and supporting high-quality transportation integration [3]. Group 2: Transportation Efficiency - The Chengdu-Chongqing high-speed rail has achieved a public transport-like operation, with the shortest travel time now at 62 minutes, and the average number of daily trains has increased from 87.5 pairs to 104.5 pairs [4]. - The daily passenger volume on the high-speed rail has risen from over 100,000 in 2021 to over 130,000, with train frequency improving from every 20 minutes to an average of every 5-10 minutes [4]. - The integration of over 300 bus stations and 1,123 routes between the two cities has facilitated a seamless ticketing system, significantly reducing commuting times by 60% [6]. Group 3: Economic Impact - The cross-province public transport system has created a "one-hour living circle," with 26 intercity bus routes serving over 4 million passengers annually, benefiting millions of commuters [5][6]. - Chengdu and Chongqing have been selected as the first batch of national comprehensive freight hubs, enhancing regional logistics capabilities and improving the efficiency of logistics operations [6]. - The establishment of direct shipping routes from Chongqing to Ningbo and Zhoushan has reduced transportation time by approximately five days, with a cargo loss rate maintained at below 0.01% [6].

Core Viewpoint - The completion of the Chongqing to Zizhong Expressway (Copper-Zi Expressway) is set to enhance transportation efficiency and connectivity in the Sichuan-Chongqing region, facilitating economic growth and development in local industries and tourism [1] Infrastructure Development - The Copper-Zi Expressway spans 105 kilometers, featuring a six-lane design with a speed limit of 120 km/h, connecting Ziyang and Neijiang [1] - The expressway significantly reduces travel time between Zizhong and Anyue from over 1.5 hours to less than 1 hour, improving accessibility for local residents and businesses [1] Construction Technology - Advanced construction techniques, including a 3D printing method for road paving and automated control systems for concrete pouring, have been employed to ensure high-quality road surfaces and structural integrity [1] - The main bridge of the expressway, with a span of 376 meters, utilizes innovative construction methods to address geological challenges, ensuring stability and safety for vehicles [1] Economic Impact - The expressway is expected to boost local agricultural exports, particularly blood oranges, by providing easier access to larger markets, thus enhancing the income of local farmers [1] - The infrastructure will also stimulate local tourism by connecting various cultural and historical sites, contributing to the overall economic development of the region [1] Regional Connectivity - The Copper-Zi Expressway is part of a broader effort to enhance the transportation network in the Sichuan-Chongqing area, facilitating quicker travel times and reducing congestion on existing highways [1] - The expressway will enable one-hour access between major urban centers in the region, further integrating rural areas into the economic framework [1]