Route 107 is a general national highway that runs from Ōfunato City, Iwate Prefecture to Yurihonjō City, Akita Prefecture via Sumita Town, Kesen District, Tōno City, Kitakami City, Ōshu City, Nishiwaga Town, Waga District, Yokote City, Akita Prefecture, and other cities.
It is an important distribution route linking Iwate and Akita prefectures from east to west.
START ：Route 107 Start (Gongendō intersection = Route 45 intersection, Route 397 Start) - Sakari-chō, Ōfunato City, Iwate Pref.
GOAL : Route 107 End (Mizubayashi Intersection = Route 7 intersection, Route 105 Start, Route 108, 341, 398 End) - Mizuhayashi, Yurihonjō City, Akita Pref.
DATE ：Late August 2023
DISTANCE : About 192 km (measured by Google Maps)
00:00:00 Intro
00:03:29 R107 Start
00:10:03 → Iwate Pref. r193 Tōni Hikoroichi Line - Sekiya, Hikoroichi-chō, Ōfunato City
00:12:43 → Iwate Pref. r180 Kamiarisu Hikoroichi Line - Tashiroyashiki, Hikoroichi-chō, Ōfunato City
00:15:58 Shiraishi Tunnel L=807.7m - Nagaiwa, Hikoroichi-chō, Ōfunato City
00:22:53 ← R340 - Hiishi, Setamai, Sumita-chō, Kesen District
00:27:28 → R340 - Mukaikawaguchi, Setamai, Sumita-chō, Kesen District
00:32:28 ← R397 - Komata, Setamai, Sumita-chō, Kesen District
00:39:55 Nizawa Tōge Pass, Altitude 466m - Otomo-chō, Tōno City
00:43:41 Nagano Bridge (Nagano River) - Otomo-chō, Tōno City
00:48:55 ← Iwate Pref. r174 Otomo Yonesato Line - Otomo-chō, Tōno City
00:51:39 E46 KAMAISHI EXPWY, Miyamori IC - Miyamori-chō Shimomasuzawa, Tōno City
00:52:34 ←→ R283 - Miyamori-chō Shimomasuzawa, Tōno City
00:56:46 ↖R107 ↑R283 - Miyamori-chō Shimomasuzawa, Tōno City
01:01:27 Tōwa-chō Tase, Hanamaki City
01:05:40 ← Iwate Pref. r27 Esashi Tōwa Line | → Iwate Pref. r278 Ukai Adachi Sugo Line - Tōwa-chō Tase, Hanamaki City
01:08:04 Esashi Yanagawa, Ōshū City
01:12:18 E46 KAMAISHI EXPWY, Esashi-Tase IC - Fudaoshi, Esashi Yanagawa, Ōshū City
01:14:33 Yanagawa Kuchinai Tunnel L=1022m - Niwatari, Esashi Yanagawa, Ōshū City
01:19:37 ←→ R456 - Aokida, Kuchinai-chō, Kitakami City
01:22:31 ← Iwate Pref. r287 Kuchinai Ide Line - Kannari, Kuchinai-chō, Kitakami City
01:25:57 ← Iwate Pref. r14 Ichinoseki Kitakami Line - Tachibana, Kitakami City
01:30:11 ← Iwate Pref. r254 Aisari Iitoyo Line | → Iwate Pref. r39 Kitakami Tōwa Line - Hondōri, Kitakami City
01:32:03 ←→ R4 - Arita-chō, Kitakami City
01:33:36 E4 TŌHOKU EXPWY, Kitakami-Ezuriko IC - Kitaoniyanagi, Kitakami City
01:34:32 ← Iwate Pref. r122 Getō-Onsen Ezuriko Line - Kamiezuriko, Kitakami City
01:38:03 ← Iwate Pref. r302 Maesawa Kitakami Line - Kamiezuriko, Kitakami City
01:40:18 → Iwate Pref. r13 Morioka Waga Line - Waga-chō Fujine, Kitakami City
01:44:40 → Iwate Pref. r103 Hanamaki Waga Line - Waga-chō Tatewakame, Kitakami City
01:46:47 ←→ Iwate Pref. r37 Hanamaki Hiraizumi Line - Waga-chō Yokokawame, Kitakami City
01:56:30 Suginahata, Nishiwaga-machi, Waga District
01:59:05 Roadside Station Kinshūko - Suginahata, Nishiwaga-machi, Waga District
02:03:46 Detour section for landslide control work
02:11:11 ↑Iwate/Akita Pref. r1 Morioka Yokote Line - Ōkutsu, Nishiwaga-machi, Waga District
02:15:42 E46 AKITA EXPWY, Yuda IC - Ōwatari, Nishiwaga-machi, Waga District
02:19:56 Sugō Onsen Tōge no Yu (Hot Spring), Spring quality: Yellow-green simple sulfur spring - Sugō, Nishiwaga-machi, Waga District
02:20:29 Sugō Pass (Border of Prefectures) - Nishiwaga-machi, Waga District, Iwate Pref.→ Yokote City, Akita Pref.
02:22:11 ← Akita Pref. r320 Nangō Kurosawa Line - Sannai Kurosawa, Yokote City
02:29:17 → Akita Pref. r273 Sodeyama Ochiai Line - Sannai Ōmatsukawa
02:30:14 Roadside Station Sannai - Komekurasawa, Sannai Tsuchibuchi
02:31:57 ← Akita Pref. r40 Yokote Higashinaruse Line - Sannai Tsuchibuchi
02:36:53 → Akita Pref. r272 Goshono Yasuda Line - Maegō
02:38:55 R13 Overlap - Yasuda Baba
02:40:04 R13 Overlap End - Yasuda
02:44:11 → Akita Pref. r48 Yokote Higashiyuri Line - Akasaka
02:46:01 ←→ Akita Pref. r267 Kanazawa Yoshida Yanagida Line - Hiraka-machi Kamiyoshida
02:51:05 ←→ Akita Pref. r117 Nozaki Jūmonji Line - Hiraka-machi Asamai
02:56:32 → Akita Pref. r13 Yuzawa Omonogawa Ōmagari Line - Omonogawa-machi Tōsato
03:00:38 → Akita Pref. r36 Ōmagari Ōmori Ugo Line - Omonogawa-machi Ōsawa
03:07:13 Higashiyuri Tateai, Yurihonjō City
03:11:45 ← R398 - Higashiyuri Tateai
03:14:19 Roadside Station Higashiyuri - Higashiyuri Oikata
03:17:34 → Akita Pref. r30 Kamioka Nangai Higashiyuri Line - Higashiyuri Kura
03:32:39 ← Akita Pref. r293 Nishitakizawa Tate Line - Sori-machi
03:36:37 ← Akita Pref. r43 Honjō Nishime Line - Ara-machi
03:38:56 E7 NIHONKAI TŌHOKU EXPWY, Honjō IC - Todoroki
03:41:23 R105 Overlap - Ichibanzeki, Yurihonjō City
03:41:48 ← R108 - Ichibanzeki, Yurihonjō City
03:45:18 R107 End