Route 6 is also an essential highway infrastructure, which can play a strategic transportation function to support new development projects, including West Kowloon Chemical District, West Kowloon Station of the Hong Kong Section of the Guangzhou-Shenzhen-Hong Kong Express Rail Link, Cruise Terminal, Kai Tak Development Area and Kowloon East Core Business District, and Residential/industrial development in Tseung Kwan .