| Country: | KOR |
| Type: | Seoul UEX |
| Route: | 30 |
| Alternate Name: | Naebu Expressway 내부순환로 |
| Length Km: | 22 |
| Established: | 1995 |
| Terminus A: | Mapo District, Seoul |
| Terminus B: | Seongdong District, Seoul |
Naebu Expressway is a highway located in Seoul, South Korea. It is part of Seoul City Route C3. With a total length of 22km (14miles), this road starts from the north end of Seongsan Bridge to Seongdong Bridge through Hongjimun Tunnel and Jeongneung Tunnel. The inner loop runs concurrently with Gangbyeon Expressway for 18.33 km and Dongbu Expressway for 2.04 km.
This route was established on 31 October 1995 서울특별시공고 제1995-265호, 1995년 10월 31일.
| Type | No. | Name | Korean name | Connection | Location | Note | |
|---|---|---|---|---|---|---|---|
| JC | Seongsan Br. | 성산대교북단 | National Route 77 Prefectural Road 23 Seoul City Route 70 (Gangbyeonbuk-ro) | Seoul | Mapo District | Starting point | |
| IC | 1 | Seongsan Ramp | 성산램프 | National Route 1 National Route 48 Seobu Urban Expressway (Seongsan-ro) World Cup Bridge | |||
| IC | 2 | Yeonhui Ramp | 연희램프 | Moraenae-ro Hongjecheon-ro Susaek-ro | Seodaemun District | Seongsan-bound Only | |
| IC | 3 | Hongje Ramp | 홍제램프 | Yeonhui-ro | Seongdong-bound Only | ||
| IC | 4 | Hongeun Ramp | 홍은램프 | Segeomjeong-ro | Seongsan-bound Only | ||
| TR | Hongjimun Tunnel | 홍지문터널 | L= 1,890m | ||||
| Jongno District | |||||||
| TR | Jeongneung Tunnel | 정릉터널 | L= 1,650m | ||||
| Seongbuk District | |||||||
| IC | 5 | Kookmin University Entrance | 국민대입구 | Jeongneung-ro | Seongsan-bound Only | ||
| IC | Jeongneung Ramp | 정릉램프 | Jeongneung-ro | Seongdong-bound Only | |||
| IC | 6 | Gileum Ramp | 길음램프 | Jeongneung-ro Jongam-ro | Seongdong-bound Only | ||
| JC | 7 | Hawolgok | 하월곡 분기점 | Bukbu Expressway | |||
| IC | 8 | Wolgok Ramp | 월곡램프 | Wolgok-ro | Seongsan-bound Only | ||
| IC | 9 | Majang Ramp | 마장램프 | Cheonggyecheon-ro | Dongdaemun District | Seongdong-bound Only | |
| - | - | Seongdong District | Demolished on 1 July 2003 | ||||
| IC | 10 | Sageun Ramp | 사근램프 | Salgoji-gil | Seongsan-bound Only | ||
| JC | Seongdong | 성동 분기점 | Seoul City Route 61 (Dongbu Expressway) | End point | |||