1. Three colored lines in the middle of the road indicate: tourist routes. This red, yellow and blue line highway, also known as "Rainbow Highway", was first put into use in Changzhou City, Jiangsu Province, and soon became the iconic image of local tourism, which promoted the development of tourism. With the increasing popularity of "Rainbow Highway", many tourist cities paint their tourist routes in three colors. Therefore, most places where you can see the "Rainbow Highway" are scenic tourist areas.

2. Rainbow Highway is a 300km-long tourist highway in liyang city, Changzhou City, Jiangsu Province. With rainbow zebra crossing and small fresh landscape design, driving on this road is very comfortable. Among the many expressways in Changzhou, the value of Rainbow Highway is good. It takes the road as the guide of the scenery, and running all the way seems to play in the painting. Rainbow Highway is "Liyang 1 Tourist Highway", with a total length of 300 kilometers, centering on "three mountains and two lakes", and has achieved seamless connection with "fast-forward" systems and "slow-moving" systems such as high-speed rail, expressway and passenger hub.

3. At the same time, it will also string together various scenic spots, resorts, more than 200 "farmhouse music", picking gardens and other rural tourist attractions in Liyang, which is really a good place to play. Relying on this most beautiful highway, liyang city has really built a "grand tourism" pattern, which has promoted the development of various industries. This road is of great significance to economic development. This model should be followed, and it can also be implemented in other cities, and it is also possible to achieve good results.