Core Viewpoint - The Wenchuan-Malkang Expressway has commenced trial operation for 148 kilometers, significantly improving travel time and connectivity in the region [1] Group 1: Project Details - The expressway spans a total length of 172 kilometers, connecting Wenchuan County to Malkang City, with a dual four-lane configuration [1] - The project features 121 bridges, including 11 major bridges, and 32 tunnels, with a bridge-tunnel ratio of 86.5%, the highest in the province's highway construction history [1] - The trial operation includes two segments: 81 kilometers from Wenchuan toll station to Gurgou toll station and 67 kilometers from Miyao toll station to Malkang East toll station, both allowing bidirectional traffic [1] Group 2: Traffic Regulations - During the trial period, speed limits are set at 80 km/h in tunnels and 100 km/h on the main line, with all service and parking areas currently closed [1] - Certain vehicles, including those over 2.2 meters in height, buses with 9 or more seats, all trucks, hazardous material transport vehicles, non-motor vehicles, motorcycles, tractors, and agricultural transport vehicles are prohibited from using the expressway [1] Group 3: Expected Benefits - Once fully operational, the expressway is expected to reduce travel time from Chengdu to Malkang City to approximately 3.5 hours, cutting the current travel time by nearly half [1]