外文翻译--城市道路线位选择之要点.doc

PAGE PAGE 85 Main Points of Choice of the Urban Road Line 1. The overview As one of the products of social development and one of the main component elements of modern cities, the urban road has respect to the coordination and sustainable development of cities and shows the cities’ potential of economical and cultural development. The original network of urban road needs to be programed and adjusted again , especially owning to the rapid expansion of cities and the great increase of the number of cars in recent years. The urban road is not a seperated object any more, and its development is increasingly restricted by other factors of city develpoement. Therefore, the line-bit choice should show the coordination and integration between roads and the environment. The reasonable line-bits will have a positive impact on the economy,society, environment and people’s life. On the contrary, the unreasonable line-bits will influence the surroundings of them and bring some side effects. 2. The comparison and selection of line-bits With the increasing importance attached on such issues as sustainable develpoement, environment protection and land usage, the thinking modes of road design should be changed, from only emphasizing the cost of initial construction stage to considering the cost of both construction and operation, only the safety and interest of the users to the feelings of other residents and the public, only the visible terrain and objects on the ground to the construction conditions such as geology, historical relics and mineral resources, only the coordinative design among the roads themselves to the coordinative reseach between roads and their such surroundings as natrue, ecology, society and humanity. The comparison and selection of line-bits means that the designer, in his day-to-day job, compares the different lines in different aspects and chooses the most economical, practical,and reasonable one which also meets the country’s relevent standards and pol