[National Development and Reform Commission: During the "15th Five-Year Plan" period, China will build approximately 21,000 kilometers of expressways] The National Development and Reform Commission stated on November 4 that during the "15th Five-Year Plan" period, China will build approximately 21,000 kilometers of expressways to connect with the national highway network, accelerate the construction of riverside expressways and urban area ring lines waiting to be connected, promote the expansion and intelligence of Lianhuo, Shenhai, Beijing, Hong Kong and Macao expressways, and reasonably control the scale and pace of local expressway construction. During the "15th Five-Year Plan" period, China will build approximately 2,500 kilometers of national high-grade waterways, more than 100 automated terminal berths of 10,000 tons and above, accelerate the construction of a world-class Shanghai international shipping center, optimize and upgrade the port clusters in the Yangtze River Delta and the Guangdong-Hong Kong-Macao Greater Bay Area, actively develop the southeastern coastal port clusters, the port cluster around the Beibu Gulf, and build a new channel for water transportation in the Three Gorges.