Japan National Route 350

National Route 350
国道350号
Route information
Length	51.9 km[1] (32.2 mi)
Major junctions
North end	National Route 116 in Chūō-ku, Niigata
Major intersections	National Route 7 National Route 113 Niigata–Sado Ferry across the Sea of Japan Sado–Jōetsu Ferry across the Sea of Japan
South end	National Route 8 National Route 18 in Jōetsu
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 349 → National Route 351

National Route 350 (国道350号, Kokudō Sanbyaku gojūgō) is a national highway of Japan that traverses the prefecture of Niigata in a southwest–northeast routing. It connects the city of Jōetsu in southern Niigata Prefecture to the prefecture's capital city, Niigata, to the north along the Sea of Japan coastline; however the highway mainly functions as the main highway on Sado Island. It has a total length of 51.9 kilometers (32.2 mi) on land, but a total length of 163.2 kilometers (101.4 mi) with the distance traveled by the Sado Steam Ship across the Sea of Japan factored in.