The Baguashan Tunnel, on Provincial Highway No. 76, Taiwan, transverses Baguashan (八卦山) between Lincuo IC. (林厝交流道) and Zhongxing JCT. (中興系統交流道). The length of the north tube for westbound traffic is 4,928 m (3.062 mi). The length of the south tube for eastbound traffic is 4,935 m (3.066 mi). Connecting Yuanlin, Changhua and Caotun, Nantou, its opening significantly reduced the travel time between Changhua and Nantou.