"国道105号(角館~鷹巣間)における『街道愛称』の決定について" [About the decision of "Kaidō nickname" on Route 105 (between Kakunodate and Takanosu)] (in Japanese). Akita Prefecture Government. 8 November 2019. Retrieved 25 November 2020.
city.kitaakita.akita.jp
"国道105号米内沢バイパス開通" [National Route 105 Yonaizawa Bypass opens] (in Japanese). City of Kitaakita. 4 December 2006. Retrieved 26 November 2020.
"道の駅なかせん" [Nakasen Roadside station] (in Japanese). 2015. Retrieved 25 November 2020.
mlit.go.jp
thr.mlit.go.jp
"東北の道の駅 05019" [Tōhoku Roadside station 05019] (in Japanese). Tōhoku Regional Bureau Ministry of Land, Infrastructure, Transport, and Tourism. 2010. Retrieved 25 November 2020.
"マタギの里" [Matagi Village] (in Japanese). Noshiro Office of Rivers and National Highways. 5 July 2017. Retrieved 25 November 2020.
"一般国道105号 大曲西道路" [General National Route 105 Ōmagari-Nishi Road] (PDF) (in Japanese). 1997. Retrieved 26 November 2020.
mlit.go.jp
"一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 19 February 2020.
pref.akita.jp
"最寄りICまで概ね30分以内の市町村数" [Number of municipalities within 30 minutes of an expressway interchange] (PDF) (in Japanese). Akita Prefecture. 15 May 2009. Retrieved 26 November 2020.
wikisource.org
ja.wikisource.org
一般国道の路線を指定する政令 [Cabinet Order Designating General National Routes] (in Japanese). Cabinet of Japan. 1965. Retrieved 19 November 2020 – via Wikisource.
yurihonjo.lg.jp
city.yurihonjo.lg.jp
"広報ゆりほんじょう" [Yurihonjō Public Relations] (in Japanese). City of Yurihonjō. December 2006. Retrieved 26 November 2020.