Du'an County is dotted with rocks and mountains. Until the early days of liberation, transportation was still very backward. Although the waterway has the Hongshui River passing through it, which can carry wooden sailing boats of about 20 to 100 tons, there are many beaches and fast water, making it difficult for boats to sail. The Diaojiang River is shallow and shallow, and only wooden boats of 5 to 10 tons can pass through. Land transportation relies entirely on people carrying horses on their backs. In 1955, the county people's government began highway construction. Since then, the highway has developed year by year. By 1987, the total length of Duan County highway was 842.45 kilometers. All 32 townships (towns) have shuttle buses. There are 178 village offices connected to the shuttle bus, accounting for 48.1% of the total number of village offices in Du'an County. The annual passenger volume was 1.88 million, the turnover volume was 24.35 million passenger-kilometers, and the freight volume was 480,000 tons.
By the end of 2010, Duan County had a total highway mileage of 1,449 kilometers, an increase of 663 kilometers from the end of the "Tenth Five-Year Plan", with a growth rate of 13.02%. The 247 administrative villages (including neighborhood committees) in 19 townships (towns) in Du'an County have basically achieved the goal of having oil (concrete) roads in every township and roads in every village. There are 102 administrative villages with oil (concrete) roads, accounting for the number of administrative villages. 42.68%.