Southwest of central Daisen, the highway turns to the north at a junction with the Akita Expressway.
From the former village of Kakunodate in Semboku to the former town of Takanosu in Kitaakita, the highway is called the Matagi Road.
[7] From 27 April to 30 June 2019, votes were cast to determine the name of a section of the highway between Kakunodate and Takanosu.
On 8 November 2019, the government of Akita Prefecture announced the name chosen for the section of highway was "Matagi Road".
The Matagi are a group of traditional winter hunters from the mountainous region of Akita Prefecture where the highway is located.