Yeongdong Expressway
Samwhan has completed Yeongdong Expressway Expansion Project between Heonggye and Gangneung including 5 bridges. The length is 3.3km and width are 23.4m with 4 lanes, completed in December 2001. Also, another 10km long and 23.4m wide 4-lane expansion project on Yeongdong Expressway between Wonju and Saemal including 9 bridges had been completed by Samwhan in December 1997.