| Country: | KOR |
| Type: | EX |
| Route: | 300 |
| Alternate Name: | Deajeon South Ring Expressway |
| Map: | 300 Daejeon Nambu Sunhwan.svg |
| Length Km: | 20.8 |
| Established: | 1999 |
| Direction A: | West |
| Terminus A: | W.Daejeon JC in Yuseong-gu, Daejeon 20px Honam Branch Expressway |
| Junction: | 4 |
| Direction B: | East |
| Terminus B: | Biryong JC in Dong-gu, Daejeon 20px Gyeongbu Expressway |
| Rr: | Daejeon Nambu Sunhwan Gosokdoro |
| Mr: | Taejŏn Nambu Sunhwan Kosoktoro |
The Daejeon Southern Ring Expressway, Daejeon Nambu Sunhwan Expressway or Daejeon Southern Beltway is an expressway in South Korea, connecting Honam Expressway Branch (Expressway 251) to Gyeongbu Expressway (Expressway 1) in Daejeon. Numbered 300, it covers a length of 20.8 kilometers.[1]
| No. | Name | Korean Name | Hanja Name | Connections | Notes | Location |
|---|---|---|---|---|---|---|
| 1 | 서대전분기점 | 西大田分岐點 | Honam Expressway Branch (Expressway 251) | Yuseong-gu, Daejeon | ||
| 2 | 서대전나들목 | 西大田나들목 | Seo-gu | |||
| 3 | 안영나들목 | 安永나들목 | Jung-gu, Daejeon | |||
| 4 | 산내분기점 | 山內分岐點 | Tongyeong–Daejeon Expressway (Expressway 35) | Dong-gu, Daejeon | ||
| 5 | 판암나들목 | 板岩나들목 | ||||
| 6 | 비룡분기점 | 飛龍分岐點 | Gyeongbu Expressway (Expressway 1) |