| Country: | KOR |
| Type: | EX |
| Route: | 12 |
| Alternate Name: | Muan-Gwangju Expressway 무안광주고속도로 |
| Map: | 12 Muan-Gwangju.svg |
| Length Km: | 41.3 |
| Established: | 11 September 2007[1] |
| Direction A: | East |
| Terminus A: | Muan County, South Jeolla Province |
| Cities: | Muan County, Hampyeong County, Naju, Gwangju |
| Direction B: | West |
| Terminus B: | Gwangsan District, Gwangju |
| Rr: | Muan Gwangju Gosok Doro |
| Mr: | Muan Kwangju Kosok Toro |
Muan–Gwangju Expressway also known as 12th Expressway is an expressway in South Korea connecting Muan County to Gwangju.[2]
Formerly, this route designated as part of the Olympic Expressway but on January 3, 2008, it was separated into two segments that shared the same designation number with Gwangju-Daegu Expressway.
| No. | Name | Korean name | Distance | Connection | Location | Note | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Muan Airport | 무안공항 | - | 0.00 | National Route 77 (Gonghang-ro) Local Route 815 (Unhae-ro) | South Jeolla | Muan County | |
| 2 | Muan Airport TG | 무안공항 요금소 | National Route 24 (Hamjang-ro·Hyeonhae-ro) National Route 77 (Gonghang-ro·Hyeonhae-ro) Local Route 60 (Gonghang-ro) | Main-tollgate | ||||
| N.Muan | 북무안 | 4.65 | 4.65 | |||||
| 3 | Hampyeong JC | 함평 분기점 | 4.97 | 9.62 | Seohaean Expressway | Hampyeong County | ||
| SA | Hampyeong-Nabi SA | 함평나비휴게소 | Both-direction | |||||
| 4 | E.Hampyeong | 동함평 | 6.02 | 15.64 | National Route 1 (Yeongsan-ro) National Route 23 (Hamyeong-ro) National Route 24 (Hamjang-ro) Local Route 60 (Yeongsan-ro) Hakdong-ro | |||
| 5 | Munpyeong | 문평 | 5.13 | 20.77 | Local Route 825 (Cheam-ro) | Naju | ||
| 6 | Naju | 나주 | 9.63 | 30.40 | Local Route 822 (Noansamdo-ro) | |||
| 7 | W.Gwangsan | 서광산 | 4.38 | 34.78 | Local Route 49 (Bitgaramjangseong-ro) Yeonsan-ro | Gwangju | Gwangsan District | |
| TG | E.Gwangsan TG | 동광산 요금소 | Main-tollgate | |||||
| 8 | Unsu | 운수 | 6.57 | 41.35 | National Route 13 (Donggok-ro) National Route 22 (Eodeung-daero) Mujin-daero | Terminus | ||
| Connected with Mujin-daero Next segment: Gwangju-Daegu Expressway | ||||||||