Ushū Hama Kaidō no relation Nihonkai-Tohoku Expressway
History
What eventually became National Route 7 between Aburakawa-juku in present-day Aomori and Tsuchizakiminato-juku in Akita was established during the Edo period by Tokugawa Ieyasu as the Ushū Hama Kaidō and Ushū Kaidō, subroutes of the Ōshū Kaidō.National Route 7 was established by the Cabinet of Japan roughly along the aforementioned section of the Ushū Kaidō as well as a new road south to Niigata on 4 December 1952 as First Class National Highway 7 between Niigata and Aomori. It's designationation was changed to General National Highway 7 on 1 April 1965.
no relation