{{Infobox tunnel , name = Gwang-am Tunnel
광암터널 , image = , image_size = , caption = , line =

Seoul Ring Expressway The Capital Region First Ring Expressway (Formerly as Seoul Ring Expressway) (Expressway No.100) () is an expressway in South Korea, expressway, circular beltway or ring road around Seoul, South Korea. It connects satellite cities around Seo ...

, location =

Hanam Hanam (; ) is a city in Gyeonggi Province, South Korea. Formerly a part of Gwangju County, it was designated a city in 1989. The ancient Baekje capital of Hanam Wiryeseong may have been located there. Lying immediately east of Seoul, Hanam i ...

Gyeonggi Province Gyeonggi Province (, ) is the most populous province in South Korea. Seoul, the nation's largest city and capital, is in the heart of the area but has been separately administered as a provincial-level ''special city'' since 1946. Incheon, ...

, coordinates = {{Coord, 37, 31, 1, N, 127, 10, 45, E, display=inline , system = , status = Active , start = Gambuk-dong, Hanam, Gyeonggi Province , end = Chun-gung-dong, Hanam, Gyeonggi Province , stations = , opened = Pangyo-bound: 31 October 1991
Guri-bound: 10 December 2002 , owner = , operator = Korea Expressway Corporation , character = , lanes = 8 , length = Pangyo-bound 1: 743m
Pangyo-bound 2: 752m
Guri-bound: 726m , speed = 100km/h , height = , hielevation = , lowelevation = } The Gwangam Tunnel (광암터널) is a road tunnel located on

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

. The tunnel constitutes the

. The tunnel is constituted of 3 tunnels. 2 tunnels are to

Pangyo Junction Pangyo Junction (), also known as Pangyo JC, is a junction located in Bundang-gu and Sujeong-gu, Seongnam, Gyeonggi, South Korea. It serves as the meeting point of Gyeongbu Expressway (No. 1) and Seoul Ring Expressway The Capital Region ...

, and opened to traffic on 31 October 1991. At first, one is to Pangyo, and the other is to

Guri Guri (; ) is a city in Gyeonggi Province, South Korea. It is located immediately to the east of Seoul, in the heart of the Capital Metropolitan Area. The Royal Tombs of the Joseon Dynasty are located in the city. The hill of Achasan is also ...

. Each tunnels had 2 lanes. But, there was a road-widening project between Pangyo JC and Toegyewon Interchange, and the new tunnel, which has 4 lanes, opened on 10 December 2002. After opening the new tunnel, 2 tunnels, which has 2 lanes, is to Pangyo. And the new tunnel is to Guri.

See also