Japan National Route 350

National Route 350
National Route 350
国道350号
Route information
Length	51.9 km (32.2 mi)
Major junctions
North end	National Route 116 in Chūō-ku, Niigata
	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 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.