| City road is not only the carrier of traffic, but also one of the leading elements which constitute the image of the city. In modern cities, its role is not only the traffic road on which people and things are carried in cities and between cities, but an important window to show the world the characteristics of the city landscape and the feature of the city. As the most important soft landscape, road is the most universal type of green land which is mostly contacted with city residents. It's also an important aspect which highlights the city image and enhances the vigor of the city. However, the design of road greening in mangy cities in our country is far from expectation. It even becomes one of the factors which hold back the construction of the city image in our country, being a bottle-neck in the construction of fine city images.To this end, from the angle to explore ways to improve the quality of green design and creation of a city's image of the United States point of view starting, the author of this article to Nanjing, Suzhou, Hangzhou, Shanghai Jiangnan four cities for investigation, respectively, he analyzed and compared some of the roads with the city the status of green, and then from the "road landscape to define the concept of Green"and"Green's function of the road landscape and development" approach to the reality of urban road green features and cultural situation, etc., from the "dominant image" and "Hidden Image "elaborate on two aspects in order to derive" a different path through the resulting spatial structure of different dimensions and from a variety of green plants, composed of community groups, species, roads are full of color vision different rhythm to form a different image of the city On the one hand, the content "; and" by the symbolic meaning of plants and other related functions from the vision arising from the attractiveness of town are better able to show vitality, improve urban green space of the other aspects of function; it only changes the way the natural green landscape performance as the main means of content as well as city roads will be more green to the geographical characteristics and an important means of cultural content "and so forth. The final conclusion of this article is: only in the path of the greening of the city planning and design of the guiding ideology in these two areas form a combination of city greening in order to constitute an effective guiding principles, our country is really to promote the image of the current construction of the city an important direction. |