Gangbyeonbuk-ro

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Seoul Special Metropolitan City Route 70
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 1 Seobu 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
Highway systems of South Korea Expressways National Local

The Gangbyeon Expressway (Korean: 강변북로) is an eight-lane highway located in Seoul, South Korea. It is part of National Route 46 and National Route 77. This route connects Seoul to Namyangju, with a total length of 37.37 km (23.22 mi). The highway is directly connected with the Jayu Motorway (자유로) in the border city located on the Gayang Bridge. The Mapo Bridge–Namyangju section has been designated as National Route 46, while the Yanghwa Bridge–Goyang section is specified as National Route 77. The highway is the main arterial road that connects northern Seoul with satellite cities such as Goyang, Paju, and Namyangju.