Liyang No.1 Rainbow Highway in Liyang, as the core road connecting urban and rural areas throughout the Liyang city, not only serves its original road functionality but also stands out as a scenic route. Since the addition of the three-color rainbow lines in 2018, it has rapidly become a well-known rainbow highway in the Yangtze River Delta. With an annual influx of 20 million visitors coming to admire its beauty, it has driven the rapid development of tourism across Liyang city.