今天，北京3段新线开通！1到19集齐，最新地铁线网高清图来了

Core Insights - Beijing's new subway lines enhance urban connectivity and support cultural tourism during the New Year celebrations [1][11] - The opening of the 17th, 18th, and southern extension of the 6th subway lines provides direct access to key cultural and commercial areas [3][10] Group 1: New Subway Lines - The 17th line connects major cultural and commercial nodes, facilitating access for citizens and tourists during the New Year [3][4] - The 18th line offers rapid transit from northern districts to central areas, enhancing access to popular New Year events [6][8] - The southern extension of the 6th line improves connectivity within the urban sub-center, linking to cultural landmarks and enhancing the overall travel experience [10][11] Group 2: Integration of Transport and Culture - The new lines exemplify the integration of transportation and cultural tourism, with direct connections to major attractions like the Temple of Heaven and Summer Palace [11] - The transportation department collaborates with cultural sectors to enhance travel information and optimize connections to commercial areas and tourist sites [11] - The new subway lines are positioned as vital arteries for urban life, promoting consumption and supporting the development of an international consumption center [11]