Route 461 is a general national highway that runs from the intersection of Route 119 in Nikkō City, Tochigi Prefecture, to the intersection of Route 6 in Hitachi City, Ibaraki Prefecture, via Yaita City, Ōtawara City, Daigo Town, Kuji District, Hitachiōta City, and other areas.

In Tochigi Prefecture, it is also called Nikkō Kita Kaidō or Kurobane Kaidō.

The route was developed as a national highway based on existing prefectural roads in mountainous areas, and although there were many unimproved sections in the past, improvement work is underway, and the Kitazawa Pass section, the most difficult part of the route, was tunneled in 2021.

START ：Route 461 End (Route 461 Ent. intersection = Route 6 intersection) - Jūō-chō Ishi, Hitachi City, Ibaraki Pref.
GOAL : Route 461 Start (Shichihonzakura intersection = Route 119 intersection) - Imaichi, Nikkō City, Tochigi Pref.
DATE ：Late August 2023
DISTANCE : About 134 km (measured by Google Maps)
ROUTE MAP: https://www.google.com/maps/d/u/0/emb...

00:00:00 Intro
00:03:36 Route 461 End (Route 461 Ent. intersection = Route 6 intersection) - Jūō-chō Ishi, Hitachi City, Ibaraki Pref.
00:07:14 ← Route 461 ↑Ibaraki Prefectural Route 298 Takahagi Station Line - Arakawa, Takahagi City, Ibaraki Pref.
00:15:23 ← Hananuki Sakura Park - Akiyama, Takahagi City, Ibaraki Pref.
00:17:25 Hananuki Furusato Nature Park - Akiyama, Takahagi City, Ibaraki Pref.
00:19:39 ← Green Furusato Line - Nakadogawa, Takahagi City, Ibaraki Pref.
00:19:52 Hananuki Ōhashi Bridge (Hananuki River) - Nakadogawa, Takahagi City, Ibaraki Pref.
00:23:19 Seiryū no Sato, Hananuki Product Center - Ōnō, Takahagi City, Ibaraki Pref.
00:28:25 Orihashi-chō, Hitachiōta City, Ibaraki Pref.
00:35:40 Yokogawa Shimotaki Waterfall Parking Lot - Orihashi-chō, Hitachiōta City, Ibaraki Pref.
00:38:05 ←→ Route 349 - Orihashi-chō, Hitachiōta City, Ibaraki Pref.
00:39:32 Route 461 Old Road (Kitazawa Pass)| ↑Route 461 Kitazawa Tunnel - Orihashi-chō, Hitachiōta City, Ibaraki Pref.
00:43:46 Kitazawa Tunnel L=1581m - Shimotakakura-chō, Hitachiōta City, Ibaraki Pref.
00:46:15 ← Ibaraki Prefectural Route 33 Hitachiōta Daigo Line - Shimotakakura-chō, Hitachiōta City, Ibaraki Pref.
00:52:42 Konamase, Daigo-machi, Kuji District, Ibaraki Pref.
00:56:57 ↑Ibaraki Prefectural Route 33 Hitachiō Daigo Line / →Ibaraki Prefectural Route 22 Kitaibaraki Daigo Line - Konamase, Daigo-machi, Kuji District, Ibaraki Pref.
01:00:15 Shin Tsukiore Tunnel L=540m - Fukuroda, Daigo-machi, Kuji District, Ibaraki Pref.
01:05:02 Route 118 Overlap - Fukuroda, Daigo-machi, Kuji District, Ibaraki Pref.
01:08:48 Roadside Station Okukuji Daigo / Route 118 Overlap End - Ikeda, Daigo-machi, Kuji District, Ibaraki Pref.
01:14:50 → Tochigi/Ibaraki Prefectural Route 205 Sukagawa Daigo Line - Uwaoka, Daigo-machi, Kuji District, Ibaraki Pref.
01:21:02 → Ibaraki/Tochigi Prefectural Route 13 Daigo Kurobane Line - Kamikanesawa, Daigo-machi, Kuji District, Ibaraki Pref.
01:22:56 Prefectural border (Sakainomyōjin Pass) - Daigo-machi, Kuji District, Ibaraki Pref. → Nakagawa-machi, Nasu District, Tochigi Pref.
01:27:22 Ōuchi Post Office - Ōuchi, Nakagawa-machi, Nasu District, Tochigi Pref.
01:36:01 Ōyamada Post Office - Ōyamada Shimogō, Nakagawa-machi, Nasu District, Tochigi Pref.
01:43:29 Susagi, Ōtawara City, Tochigi Pref.
01:51:45 Kawanogura Bridge (Shiritakada River) - Kitanogami, Ōtawara City, Tochigi Pref.
01:59:35 Route 294 Overlap - Kurobanemukō-machi, Ōtawara City, Tochigi Pref.
02:00:02 Route 294 Overlap End - Ōmameda, Ōtawara City, Tochigi Pref.
02:03:37 Roadside Station Nasu Yoichi no Sato - Minamikanemaru, Ōtawara City, Tochigi Pref.
02:10:17 Route 400 Overlap - Moto-machi, Ōtawara City, Tochigi Pref.
02:14:32 Route 400 Overlap End - Asaka, Ōtawara City, Tochigi Pref.
02:17:23 Ikku-chō, Nasushiobara City, Tochigi Pref.
02:22:50 Route 4 Overlap - Usuba, Ōtawara City, Tochigi Pref.
02:23:24 Yamada, Yaita City, Tochigi Pref.
02:27:56 Route 4 Overlap End - Naka, Yaita City, Tochigi Pref.
02:38:28 Shioya-machi, Shioya District, Tochigi Pref.
02:50:37 Roadside Station Yūsui no Sato Shioya - Funyū, Shioya-machi, Shioya District, Tochigi Pref.
02:58:05 ←→ Tochigi Prefectural Route 279 Ōkuwa Ōsawa Line - Todoroku, Nikkō City, Tochigi Pref.
03:01:06 Serinuma intersection - Serinuma, Nikkō City, Tochigi Pref.
03:04:45 Route 461 Start (Shichihonzakura intersection = Route 119 intersection) - Imaichi, Nikkō City, Tochigi Pref.