USA TODAY | Hong Kong's bullet train to China opens despite controversy, travels 120 mph to mainland USA TODAY Hong Kong opened its first bullet train link Saturday, which connects the territory with mainland China. The 26-kilometer line is the latest section to China's 25,000-kilometer high-speed rail network called the Express Rail Link and cost over $10.7 ... China tightens embrace of Hong Kong with bullet train, other mega projects China's bullet trains are coming to Hong Kong: Here's what travelers can expect Hong Kong express rail link launches amid controversy |