Core Points - Shenzhen's metro system has expanded with the opening of the second phase of Line 16 and the second phase of Line 6, bringing the total operational length to 609.6 kilometers and 428 stations, maintaining the highest density among mainland cities in China [1][2] - The new lines are expected to significantly enhance regional connectivity and commuting efficiency, with peak daily ridership projected to reach 11 million [1][2] Group 1: New Line Details - Line 16 Phase II spans approximately 9.54 kilometers with 8 stations, enhancing connectivity between Longgang and Yuanshan, facilitating easier access for residents [2][3] - Line 6 Phase II covers about 4.95 kilometers with 3 stations, improving transfer efficiency between high-speed rail and metro, significantly reducing travel time between Guangming Science City and Futian [2][3] Group 2: Impact on Residents - The new metro lines are set to improve travel conditions for tens of thousands of residents, accelerating resource flow between Longgang, Guangming, and Shenzhen's core areas [3][4] - The aesthetic design of the new stations incorporates local cultural elements, enhancing the overall travel experience for commuters [3] Group 3: Future Developments - By the end of the year, four additional metro lines are expected to be operational, further increasing the coverage and efficiency of Shenzhen's metro network [4][5] - The new lines will contribute to the construction of a "city on rails," promoting transportation connectivity and economic collaboration within the Guangdong-Hong Kong-Macau Greater Bay Area [5]