 88 Olympic Expressway was the last two-lane limited access tollway of South Korea, for 144 of its 183 kilometers, between exits 14 (Damyang) and 26 (East Goryeong).Although a service rating of two-lane section was poor, still they were fully integrated into South Korea's ticketed tollway system.No two-lane expressway has been in South Korea after 22 December 2015, since all expressways are widened to four-lane.