Core Points - The transformation of Jing Shi Road marks a significant development in Jinan's urban infrastructure, with the simultaneous construction of Metro Lines 4 and 8, enhancing public transportation accessibility [1][2] - Jing Shi Road serves as a vital artery for Jinan's urban development strategy, facilitating the connection between various key areas and supporting the city's growth [1][2] Group 1 - The total length of Metro Line 4 is 40.3 kilometers, extending from the west to Xingtai Interchange and Pengjiazhuang, while Metro Line 8 runs along Jing Shi East Road, connecting key urban areas [1] - The completion of these metro lines by the end of the year will usher in a new era of convenient public transport in Jinan, marking the city's transition into a more integrated metro network [1] - Jing Shi Road is described as a "golden corridor" that has become the backbone of Jinan's urban development, aligning with the city's strategic planning approach [1][2] Group 2 - Jing Shi Road is not only a transportation route but also a clear industrial corridor, linking various economic zones and enhancing the region's innovation potential [2] - The road's development has been complemented by infrastructure projects such as the expansion of National Road 309, which has increased its capacity and connectivity [2] - The evolution of Jing Shi Road reflects the broader trajectory of Jinan's urban growth, showcasing advancements from basic road infrastructure to smart management systems [2]