Group 1 - The increasing popularity of long-distance self-driving trips has led to a rise in demand for car transportation services, particularly during holiday seasons [1][2] - Car owners prefer using their own vehicles for travel due to convenience and familiarity, as well as cost-effectiveness compared to rental options [1][2] - The car transportation market in China has seen significant growth, with over 460 million self-driving trips taken last year, driving the development of new transportation services like train car shipping [2][3] Group 2 - The introduction of train car shipping services aims to meet the needs of private car owners for long-distance travel, particularly for destinations like Hainan, Xinjiang, and Tibet [3] - The railway company has established routes connecting major cities such as Shanghai and Guangzhou to destinations like Urumqi and Lhasa, with an annual car transportation volume exceeding 170,000 vehicles [3]