Group 1 - The construction of the Phase II North Extension of Metro Line 13 has achieved "long rail connection," laying the foundation for subsequent electrical communication, system debugging, and operational opening [1] - The Phase II North Extension will connect with Phase I of Line 13, allowing travel from Guangming Science City to Shenzhen Bay Port in 45 minutes [1][2] - The total length of the Phase II North Extension is approximately 19.25 kilometers, with 11 stations and 1 vehicle depot, while also reserving conditions for future connection with Dongguan Metro [1] Group 2 - The completion of Phase II North Extension will serve as a major urban rail transit line connecting Nanshan, Bao'an, and Guangming districts, effectively alleviating north-south traffic pressure in western Shenzhen [2] - The new line will significantly shorten travel times and enhance the commuting experience for citizens, while strengthening rapid connections between Guangming Science City, Nanshan Technology Park, and Shenzhen Bay Super Headquarters Base [2] - This development will further promote the interconnectivity of rail transit within the Guangdong-Hong Kong-Macao Greater Bay Area [2]