Expressway 12 (South Korea)

Expressway 12 may refer to the following roads in South Korea:

v t e South Korean expressways
South–North	1 (Gyeongbu) 15 (Seohaean) 17 (Pyeongtaek–Paju) 25 Honam Nonsan–Cheonan 27 (Suncheon–Wanju) 29 (Sejong—Pocheon) 35 Tongyeong–Daejeon Jungbu 37 (2nd Jungbu) 45 (Jungbu Naeryuk) 55 (Jungang) 65 (Donghae)
West–East	10 (Namhae) 12 Muan–Gwangju Gwangju–Daegu 14 (Hamyang–Ulsan) [ko] 16 (Ulsan) 20 (Saemangeum–Pohang) 30 (Seosan–Yeongdeok) 32 (Asan–Cheongju) [ko] 40 (Pyeongtaek–Jecheon) 50 (Yeongdong) 52 (Gwangju–Wonju) 60 (Seoul–Yangyang)
Belt	100 (Capital Region 1st Ring) 300 (Daejeon Southern Ring) 400 (Capital Region 2nd Ring) [ko] 500 (Gwangju Ring) [ko] 600 (Busan Ring) [ko] 700 (Daegu Ring) [ko]
Metropolitan Area	110 (2nd Gyeongin) 120 (Gyeongin) 130 (Incheon Int'l Airport)
Branch	102 (Namhae Branch 1) 104 (Namhae Branch 2) 105 (Namhae Branch 3) 151 (Seocheon–Gongju) [ko] 153 (Pyeongtaek–Siheung) 171 Osan–Hwaseong Yongin–Seoul 204 (Saemangeum–Pohang Branch (Iksan-Wanju)) [ko] 251 (Honam Branch) 253 (Gochang–Damyang) [ko] 301 (Sangju–Yeongcheon) [ko] 451 (Jungbu Naeryuk Branch) 551 (Jungang Branch)
Planned	17 (Iksan–Pyeongtaek) [ko] 173 (Iksan–Pyeongtaek Branch) [ko] 202 (Saemangeum–Pohang Branch (Pohang)) [ko] 255 (Gangjin–Gwangju) [ko] 292 (Sejong–Pocheon Expressway Osong Branch) [ko]
Abolished	Namhae Branch 3 [ko] Guma Branch Gimcheon–Yeongcheon [ko]

This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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