1. Location : Busan metropolitan city, Ulsan metropolitan city    2. Client : Ministry of Construction & Transportation    3. Construction Period: Oct. 1996 ~ Sep. 1997    4. Description of the Project    1) Length : 48.2km    2) Width : 4~6 Lanes    3) Design Speed : - Level terrain : 120km/hr                               - Mountainous terrain : 100km/hr    4) Structures - Bridge : 18 / 4,575m - Tunnel : 1 / 2,680m

1. Location: Gongju-si, Chungcheongnam-do    2. Client: Korea Highway Corporation    3. Construction Period: Oct. 1995 ~ Nov. 1996    4. Description of the Project    1) Length : 12.07 km    2) Width : 4 Lanes(23.4m)    3) Design Speed : 120km/hr    4) Structures - Woongjin Grand Bridge L=1,134.5m

1. Location: Gimhae-si, Gyeongsangnam-do    2. Client: Busan Regional Construction Management Office    3. Construction Period: Aug. 2002 ~ Dec. 2004    4. Description of the Project    1) Length : 14.2 km    2) Width : 4 Lanes(20m)    3) Design Speed : 80km/hr