Core Viewpoint - The Beijing-Harbin Expressway expansion project is a key initiative under China's 14th Five-Year Plan, aiming to enhance transportation infrastructure and alleviate congestion on a vital route that has been in use for 22 years [1][4]. Group 1: Project Overview - The expansion project covers over 220 kilometers, passing through three cities and eight counties, with a new 16-kilometer bypass being constructed [2][4]. - The upgraded expressway will feature a ten-lane design with a maximum speed of 120 kilometers per hour and a full-width roadbed of 55 meters, making it the first long-distance ten-lane expressway in the country [6]. Group 2: Traffic Management Features - A left-side emergency parking lane has been introduced for the first time in long-distance expressway construction in China, allowing vehicles in the first two lanes to use it for emergencies [9]. - The expressway will have dedicated bus lanes and mixed-use lanes, with dynamic adjustments based on traffic flow data collected from various sensors along the route [11][15]. Group 3: Operational and Service Enhancements - A joint command center has been established to ensure the expressway's functionality during the three-year construction period, allowing for simultaneous operation and construction [16]. - The project includes the upgrade of six service areas, with the new Linghai service area being the largest in Liaoning province, featuring ample parking and facilities for emergency rescue operations [19][21].