The Tongsujiayan Railway Engineering Research Report, which connects Nantong, Suzhou, Jiaxing and Ningbo, has been approved by the China National Development and Reform Commission, and is expected to start at the end of the year.The Suzhou Transportation Bureau announced the message on the WeChat public account on Saturday (August 6).The total length of the Tongsujiayan Railway is 310.113 kilometers, the design speed is 350 kilometers per hour, and the entire line is estimated to invest 108.09 billion yuan (RMB 22 billion). The expected construction period is expected to be five years.The Tongsujiayan Railway is an important component of the coastal railway passenger channel of the national high -speed railway network "eight vertical and eight horizontal" main skeleton.