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| 서울특별시도 제70호선 | |
| Gangbyeon Expressway 강변북로 | |
| Route information | |
| Length | 37.37 km (23.22 mi) |
| Existed | 1969–present |
| Major junctions | |
| West end | Mapo,Seoul(Gayang Bridge) Jayu-ro |
| Major intersections |  National Route 1Seobu Urban Expressway Naebu Expressway National Route 6 National Route 46 Dongbu Urban Expressway National Route 3 National Route 43 Seoul Ring Expressway |
| East end | Namyangju,Gyeonggi(Jigeum Jct.)National Route 6 |
| Location | |
| Country | South Korea |
| Highway system | |
| Gangbyeonbuk-ro | |
| Hangul | 강변북로 |
|---|---|
| Hanja | 江邊北路 |
| Literal meaning | Riverside Northern Road |
| Revised Romanization | Gangbyeonbungno |
| McCune–Reischauer | Kangbyŏnbungno |
TheGangbyeon Expressway (Korean:강변북로) is an eight-lane highway located inSeoul,South Korea. It is part ofNational Route 46 andNational Route 77. This route connectsSeoul toNamyangju, with a total length of 37.37 km (23.22 mi). The highway is directly connected with theJayu Motorway (자유로) in the border city located on theGayang Bridge. TheMapo Bridge–Namyangju section has been designated asNational Route 46, while theYanghwa Bridge–Goyang section is specified asNational Route 77. The highway is the main arterial road that connects northern Seoul with satellite cities such asGoyang,Paju, andNamyangju.
Construction of the expressway began in 1969, and it opened in 1972. In 1985, it was extended toHaengju Bridge andCheonho Bridge. At the time the road was completed, it had sections with two, three, and four lanes.
Afterrapid economic growth and the1988 Summer Olympics the road was the site of chronic traffic jams. An expansion project began in 1989 and was completed in 1998.
In 2012,Seoul City was expanded and road improvement projects were proposed to the Gangbyeon Expressway, including the underground relocation of the road construction.
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