Guangzhou is a major rail hub in southern China, with key stations linking high-speed, conventional and regional services. Guangzhou South is the main high-speed terminal; it serves the Beijing–Guangzhou High-Speed Railway and the Guangzhou–Shenzhen–Hong Kong Express Rail Link, with direct high-speed services to Beijing, Shanghai, Shenzhen and Hong Kong West Kowloon. Guangzhou Railway Station, located near the city centre, handles conventional long-distance trains and some high-speed services to destinations across China. Guangzhou East serves regional and conventional routes, including intercity connections to Shenzhen, Dongguan and other cities in eastern Guangdong. Guangzhou North, in Huadu District, handles some conventional passenger services and regional routes. Major stations connect with the Guangzhou Metro and city bus networks; Guangzhou Baiyun International Airport is linked to the rail network via Metro Line 3 and airport shuttle services.