This project was divided into 5 design lots. Its northern end connected with Tachia Hsi Bridge and then ended at Chungchang Bridge, total length is 15482.35 m. A 4-lane express viaduct with shoulders was designed along the center line of route, the width of viaduct is 19.6 m. There are two-direction ramps which join to the north and south ends, and to three planned exchanges (Chingshui Interchange, Wuchi Interchange, and Lungchin Interchange). Under the viaduct, the road-on-grade will be constructed in the same period as the viaduct. The road-on-grade includes 8-lane road-ways, 2 mixed lanes, and 2 sidewalks. The width of road-on-grade is 50 m as required by the Urban Plan.