Core Insights - Jinan has significantly accelerated its transportation infrastructure development over the past five years, enhancing connectivity and urban vitality [1] Group 1: Metro Development - Jinan's metro system has expanded with operational lines totaling nearly 97 kilometers, including the recently opened Phase II of Line 3, which connects directly to the airport [3] - By 2027, the metro network is expected to exceed 315 kilometers with six additional lines under construction, improving accessibility for residents [3] Group 2: Public Transport Integration - The integration of bus and metro services has improved last-mile connectivity, with 218 bus routes now seamlessly connecting to 46 metro stations [5] - Over the past five years, Jinan has optimized 278 bus routes and filled 355.9 kilometers of service gaps, introducing innovative services like "street block buses" for short-distance travel [5] Group 3: Railway Infrastructure - Jinan is a key national railway hub with 20 operational rail lines totaling 835 kilometers, including 12 high-speed rail lines [5] - Approximately 660 high-speed trains depart daily from Jinan, connecting to 366 cities nationwide, enhancing the city's role as a transportation hub [5] Group 4: Highway Network - The highway network in Jinan has developed a comprehensive structure, with a total of 899.3 kilometers of highways, maintaining the highest road density in the province [5] Group 5: Cross-River Infrastructure - Jinan has constructed 21 cross-river passages, significantly improving traffic efficiency across the Yellow River [7] - The city is advancing its airport expansion, aiming to accommodate large aircraft and enhance its status as a major transportation hub with a projected annual passenger capacity of 55 million [7] Group 6: Waterway Development - The upcoming opening of a 23.34-kilometer waterway on the Little Qing River will provide Jinan with direct access to coastal ports, fulfilling its goal of maritime connectivity [7]