The Guangzhou–Shenzhen–Hong Kong Express Rail Link is a high-speed rail network connecting Guangzhou, Shenzhen, and Hong Kong. It significantly reduces travel time between these major cities, allowing passengers to travel from Hong Kong to Guangzhou in about 48 minutes. The rail link features modern trains that operate at speeds of up to 200 km/h (124 mph). It enhances regional connectivity and supports economic growth by facilitating easier access to business and tourism opportunities across the Pearl River Delta.