Core Insights - Qingdao's metro system has evolved significantly since the opening of Line 3 in December 2015, marking the end of the "zero metro" era and initiating a new phase of urban development [1] - The rail transit network has expanded from 12 kilometers to 352 kilometers over the past decade, with an average daily ridership of approximately 1.5 million passengers, cumulatively serving nearly 2.6 billion passengers [1] - The focus has shifted from rapid construction to high-quality service and innovative development within the Qingdao Metro [1] Expansion and Connectivity - Eight metro lines now connect seven districts and one city around Jiaozhou Bay, creating an urban living circle that facilitates half-hour commuting within the main urban area and one-hour access across the metropolitan region [4] - The 174-kilometer section from Dongjiakou Railway Station to Qiangu Mountain Station is the longest intra-city metro stretch in China, significantly improving travel efficiency between Xihai'an New Area and Jimo District [4] Technological Advancements - The first phase of Qingdao Metro Line 6 commenced operations in April 2024, featuring a Fully Autonomous Train Operation System (TACS), which is recognized as the "smartest metro" in Qingdao [5] - The implementation of TACS technology has resulted in a 21% increase in turnaround efficiency, allowing for an additional 10,000 passengers to be transported during peak hours [5] Urban Development Impact - The expansion of Qingdao Metro has driven significant changes in the city's development model, guided by the Transit-Oriented Development (TOD) philosophy [6] - The integration of metro construction with urban functionality has revitalized areas along the lines, promoting a better balance between housing and employment, enhancing the commuting experience, and fostering sustainable growth for the city [6]

Group 1 - Wuhan Metro network enhanced passenger safety measures during rainy weather, including laying anti-slip mats and placing warning signs at key stations [1] - Temporary "guardian posts" were established near schools to assist students during their commute in the rain, with staff actively helping children and parents [4][8] - Staff at various metro stations, including Line 3 and Line 5, focused on guiding elderly passengers and young students, ensuring their safe entry and exit [8][12] Group 2 - A lost computer bag containing a laptop and 4,240 yuan in cash was successfully returned to its owner after staff identified the owner through a paper document inside the bag [10][13] - The proactive measures taken by staff during peak hours included helping approximately 50 students and parents at Line 5's Jian She Er Lu station [4]