津軽海峡
is a national highway of Japan that traverses the prefectures, Aomori and Hokkaido as well as the Tsugaru Strait that separates them. It currently is made up of two sections that travel from Aomori, north across the Tsugaru Peninsula to Sotogahama where the first section ends at the site of a former ferry to across the Tsugaru Strait to the town, Fukushima. The other section begins at the corresponding former ferry terminal in Fukushima. The road then travels alongside the southern coast of Hokkaido concurrently with National Route 228 to Hakodate where the route meets its northern terminus.