# Japan National Route 104

National Route 104 (国道104号, Kokudō Hyakuyongō) is a national highway of Japan connecting the cities of Hachinohe in southeastern Aomori Prefecture and Ōdate in northern Akita Prefecture in northern Japan. It travels east to west and has a total length of 126.3 kilometers (78.5 mi).

## Route description

National Route 104 has a total length of 126.3 kilometers (78.5 mi). From its junction with National Route 454 in Hachinohe to the beginning of its unsigned concurrency with National Route 103 in Kazuno, the highway is known as the Shirahagi Line.

## History

National Route 104 was established by the Cabinet of Japan as a second-class national highway in 1953. The system of different classes of national highways was abolished in 1970, in turn, the highway was designated as National Route 104.

## Major intersections

All junctions listed are at-grade intersections unless noted otherwise.
| Prefecture | Location | km | mi | Destinations | Notes |
| Aomori | Hachinohe | 0.0 | 0.0 | National Route 45 (Hachinohe Bypass) – to National Route 4, Aomori, Towada, Miyako, Kuji Aomori Prefecture Route 8 north – Takadate | Eastern terminus; road continues as Aomori Prefecture Route 8 |
| Aomori | Hachinohe | 1.2 | 0.75 | National Route 454 west – Gonohe, Hachinohe Station, Aomori Prefecture Route 19 north – Ferry Wharf | |
| Aomori | Hachinohe | 2.6 | 1.6 | Aomori Prefecture Route 251 east – Hachinohe City Office | |
| Aomori | Hachinohe | 4.9 | 3.0 | Aomori Prefecture Route 29 east – to Hachinohe Expressway, Hachinohe New Town | |
| Aomori | Hachinohe | 7.7 | 4.8 | Aomori Prefecture Route 134 south | |
| Aomori | Hachinohe | 10.1 | 6.3 | Aomori Prefecture Route 225 south – Nangō, Fukuchi Industrial Park | |
| Aomori | Nanbu | 14.1 | 8.8 | Aomori Prefecture Route 223 south – Fukuda | |
| Aomori | Nanbu | 15.9 | 9.9 | Aomori Prefecture Route 155 south – Kenyoshi Station | |
| Aomori | Nanbu | 17.6 | 10.9 | Aomori Prefecture Route 33 south – Karumai, Nangō | |
| Aomori | Nanbu | 18.2 | 11.3 | National Route 4 – Morioka, Ninohe, Aomori, Towada | Eastern end of National Route 4 concurrency |
| See National Route 4 ||||||
| Aomori | Sannohe | 30.8 | 19.1 | National Route 4 – Towada, Hachinohe, Morioka, Ninohe Aomori Prefecture Route 258 north – Central Sannohe | Interchange; western end of National Route 4 concurrency |
| Aomori | Sannohe | 33.5 | 20.8 | Aomori Prefecture Route 182 south – Oshita | |
| Aomori | Sannohe | 35.2 | 21.9 | Aomori Prefecture Route 217 north – Kaimori | |
| Aomori | Takko | 38.8 | 24.1 | Aomori Prefecture Route 143 east – Kaimori | |
| Aomori | Takko | 38.9 | 24.2 | Aomori Prefecture Route 32 south – Ninohe | |
| Aomori | Takko | 40.0 | 24.9 | Aomori Prefecture Route 21 west – Lake Towada | |
| Aomori | Takko | 50.1 | 31.1 | Aomori Prefecture Route 181 south – Jōbōji | |
| Akita | Kazuno | 73.0 | 45.4 | Akita Prefecture Route 128 north – Tashirotai | |
| Akita | Kazuno | 78.1 | 48.5 | National Route 103 – Lake Towada, Ōdate | Eastern end of National Route 103 concurrency. National Route 104 is unsigned. |
| Akita | Kazuno | 90.6 | 56.3 | Akita Prefecture Route 66 south – Hanawa, Ōyu Stone Circle | |
| Akita | Kazuno | 97.2 | 60.4 | National Route 282 / National Route 285 west – Yuze, Hanawa, Hirakawa, Kosaka, | Eastern terminus of unsigned National Route 285; northern end of unsigned National Route 285 concurrency |
| Akita | Kazuno | 106.1 | 65.9 | Tōhoku Expressway – Aomori, Morioka, Sendai, Hachinohe Expressway | E4 exit 49 (Towada Interchange) |
| Akita | Ōdate | 98.3 | 61.1 | Akita Prefecture Route 66 south – Osarizawa | Interchange |
| Akita | Ōdate | 115.4 | 71.7 | National Route 285 west – Akita, Kitaakita, Odate–Noshiro Airport | Southern end of unsigned National Route 285 concurrency |
| Akita | Ōdate | 122.5 | 76.1 | Akita Prefecture Route 102 – Hinai, Central Ōdate | |
| Akita | Ōdate | 123.8 | 76.9 | Akita Expressway – Kitaakita, Hirosaki, Odate–Noshiro Airport | E7 exit 26 (Ōdate-minami Interchange) |
| Akita | Ōdate | 126.3 | 78.5 | National Route 7 – Noshiro, Kitaakita, Odate–Noshiro Airport, Central Ōdate | Western terminus; southern terminus of National Route 103 |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||