National Route 105 (国道105号, Kokudō Hyaku gogō) is a national highway of Japan that traverses the prefecture of Akita in a southwest–northeast routing. It connects the city of Kitaakita in north-central Akita Prefecture and Yurihonjō on the prefecture's southwestern coast. It has a total length of 170.0 kilometers (105.6 mi).

Quick Facts National Route 105, Route information ...

National Route 105
国道105号
Japan National Route 105 highlighted in red
Route information
Length	170.0 km[1] (105.6 mi)
Existed	1 April 1963–present
Major junctions
South end	National Route 7 / National Route 341 in Yurihonjō
North end	National Route 7 in Kitaakita
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 104 → National Route 106

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National Route 105 crosses Akita Prefecture in a southwest–northeast routing. Beginning at a junction with national routes 7 and 341 in the coastal city of Yurihonjō, it travels east alongside National Route 107 and National Route 108 through the central district of the city. After crossing over the Uetsu Main Line, the concurrent highways leave National Route 105, with National Route 108 exiting first, heading southwest towards Miyagi Prefecture. Shortly beyond that point, National Route 107 leaves continuing east towards Iwate Prefecture while National Route 105 turns to the north, paralleling the Uetsu Line. Eventually the highway curves to the east again, heading towards Daisen. Southwest of central Daisen, the highway turns to the north at a junction with the Akita Expressway. After passing through the city it enters the city of Semboku, though it passes to the west of the central district on its way towards Kitaakita. From the former village of Kakunodate in Semboku to the former town of Takanosu in Kitaakita, the highway is called the Matagi Road.^[2] From southern Semboku to Kitaakita, the highway roughly parallels the Akita Nairiku Line. The highway terminates at a junction with National Route 7 to the north of central Kitaakita. It has a total length of 170.0 kilometers (105.6 mi).^[1][3]

On 1 April 1963, the current National Route 105 was created when it was designated as Secondary National Route 105 between the cities of Ōmagari and Ōdate. The original Secondary National Route 105 was created on 18 May 1953, it is now designated as National Route 46. On 1 April 1965, Secondary National Route 105 was redesignated as General National Route 105. On 1 April 1970 the highway was extended south to Honjō (today's Yurihonjō) and north to Takanosu (today's Kitaakita).^[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.^[2]

The route lies entirely within Akita Prefecture.

More information Location, km ...

Location	km[3]	mi	Destinations	Notes
Yurihonjō	0.0	0.0	National Route 7 / National Route 341 north – Sakata, Akita National Route 107 ends / National Route 108 ends / National Route 398 ends	Southern terminus
	0.6	0.37	Akita Prefecture Route 165 east
	2.3	1.4	National Route 108 east – Yuzawa	Northern end of National Route 108 concurrency
	2.6	1.6	National Route 107 east / National Route 398 east – to Nihonkai-Tōhoku Expressway, Yokote	Northern end of National Route 107 and National Route 398 concurrency
	10.7	6.6	Nihonkai-Tōhoku Expressway – Nikaho, Sakata, Akita Airport, Akita	E7 exit 14-1 (Ōuchi Junction)
	12.7	7.9	Akita Prefecture Route 69 north – Iwaki	Southern end of Akita Prefecture Route 69 concurrency
	14.9	9.3	Akita Prefecture Route 69 south – Ōuchi Branch Office	Northern end of Akita Prefecture Route 69 concurrency
	17.1	10.6	Akita Prefecture Route 9 north – Akita Airport, Yūwa
	27.9	17.3	Akita Prefecture Route 29 east – Yokote, Nakatashiro
Daisen	38.6	24.0	Akita Prefecture Route 315 north (Dewa Green Road) – Akita Airport, Kyōwa, Kariwano
	40.7	25.3	Akita Prefecture Route 30 (Dewa Green Road) – Jingū-ji, Ugo, Higashiyuri
	47.7	29.6	Akita Expressway – Kitakami, Yokote, Noshiro, Akita	E46 exit 4 (Ōmagari Interchange)
	49.1	30.5	Akita Prefecture Route 36 south – Ugo	Southern end of Akita Prefecture Route 36 concurrency
	50.1	31.1	National Route 105 (Ōmagari-Nishi Road) – Kakunodate, Yokote, Central Ōmagari	Yamane Interchange; access only to eastbound Ōmagari-Nishi Road and from westbound Ōmagari-Nishi Road
	51.7	32.1	Akita Prefecture Route 36 north – Central Ōmagari	Northern end of Akita Prefecture Route 36 concurrency
	55.5	34.5	Akita Prefecture Route 36 south – Ōmagari Station	Northern end of Akita Prefecture Route 36 concurrency
	56.4	35.0	National Route 13 – Akita, Kyōwa, Yuzawa, Yokote
	61.0	37.9	Akita Prefecture Route 261 east – Yokobori
	61.8	38.4	Akita Prefecture Route 67 west – Jingū-ji
	65.3	40.6	Akita Prefecture Route 256 west – Kariwano
	66.8	41.5	Akita Prefecture Route 259 – Ugo-Nagano Station, Toyooka
	70.5	43.8	Akita Prefecture Route 11 south – Yokote, Misato, Hotta Fort
Semboku	71.2	44.2	Akita Prefecture Route 258 – Kakunodate Station, Shiraiwa
	72.2	44.9	Akita Prefecture Route 257 – Kakunodate Station, Dakigaeri Gorge
	73.8	45.9	National Route 341 south – Akita	Southern end of National Route 341 concurrency
	74.3	46.2	National Route 341 north – Morioka, Lake Tazawa	Northern end of National Route 341 concurrency
	74.6	46.4	National Route 46 (Kakunodate Bypass) – Akita, Morioka	Makiguchi Interchange
	87.6	54.4	Akita Prefecture Route 60 east – Lake Tazawa
	93.1	57.8	Akita Prefecture Route 38 east – Lake Tazawa
	102.0	63.4	Akita Prefecture Route 321 north – to National Route 341, Hosen Lake
Kitaakita	122.4	76.1	Akita Prefecture Route 308 east – Utto	Southern end of Akita Prefecture Route 308 concurrency
	122.9	76.4	Akita Prefecture Route 308 south	Northern end of Akita Prefecture Route 308 concurrency
	145.4	90.3	Akita Prefecture Route 214 west – to National Route 285, Kamikoani, Akita Akita Prefecture Route 309 east – Hinai, Lake Taihei
	150.6	93.6	Akita Prefecture Route 111 east – Akarimata
	154.1	95.8	National Route 285 west – Akita, Kamikoani	Southern end of National Route 285 concurrency
	160.7	99.9	Akita Prefecture Route 198 south – Kamifunaki
	162.4	100.9	National Route 285 east / Akita Prefecture Route 324 – to National Route 7, Odate–Noshiro Airport, Noshiro, Kazuno, Hinai	Interchange; northern end of National Route 285 concurrency
	164.1	102.0	Akita Expressway – Akita, Aomori	E7 exit 24 (Takanosu Interchange)
	167.6	104.1	Akita Prefecture Route 102 – Central Takanosu, Takanosu Station, Mato
	170.0	105.6	National Route 7 – Akita, Noshiro, Hirosaki, Ōdate	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access

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• Honjō–Ōmagari Road^[8][9]
• Yonaizawa Bypass^[10]
• Yokoiwa Bypass^[11]

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