The suggestion has been proposed for constructing the Rong Yu Hu Railway with total length nearly 2200 km for Rong Hu Railway and nearly 2100 km for Yu Hu Railway.

Taking constructing Hurongxi Expressway of Hubei Province as an example,the effect of different mixture sowing style,different plant species and different plant cover degree on soil erosion had been studied.

In order to made a study of law of development of side slope gully erosion of highway spoil ground,upgrowth characteristic and law of development of gully erosion and realation between intercolparis erosion and gully erosion had been studied in the spoil ground of constructing Hurongxi expressway of Hubei province.

An Analysis is given on status quo on Beijing-Shanghai railway, plans of building a special high-speed passenger line and a target value for maximum speed as a reference for deepgoing research.

Through the study of the flowage of travellers and goods that Jinghu railway produces and Suzhou city s present eco-nomic development, the author thinks that Jinghu railway have had certain degree effect on Suzhou city s economic development.