National Route 394
国道394号
Japan National Route 394 highlighted in red
Route information
Length	185.0 km[1] (115.0 mi)
Existed	1 April 1982–present
Major junctions
North end	National Route 279 in Mutsu, Aomori
Major intersections	National Route 338 Shimokita Expressway Kamikita Expressway National Route 4 National Route 103 National Route 102
South end	National Route 7 in Hirosaki, Aomori
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 393 → National Route 395

National Route 394 (国道394号, Kokudō San hyaku kyū jūyongō) is a national highway in the Japanese prefecture of Aomori. Route 394 stretches 185 km (115 miles) from National Routes 279 and 338 in Mutsu southwest to National Route 7 in Hirosaki.

The route has a total length of 185 km (114.95 mi). It travels southwest across Aomori Prefecture connecting the cities of Mutsu and Hirosaki by traveling over the Hakkōda Mountains in the center of the prefecture.

National Route 394 was designated as route connecting Mutsu to Aomori in 1982;^[2] however, many of the sections of roadway that make up the highway predate this designation, including a bridge along the highway over Lake Ogawara that was built in 1958.^[3] Its routing has changed since its designation. In Shichinohe, the road used to parallel National Route 4 and National Route 45 for a short distance until March 2015. In the same town on 27 November 2018, the route was moved slightly to the west to better facilitate the junction between it and the Kamikita Expressway.^[4]

Improvements on the highway near the interchange with the Kamikita Expressway continue. A project to straighten a 1.9-kilometer-long (1.2 mi) section of the road north of the junction is planned by the government of Aomori Prefecture.^[5]

The route lies entirely within Aomori Prefecture. Distance markers reflect distance traveled from the junction with National Route 338 in Rokkasho.

Location	km	mi	Destinations	Notes
Mutsu			National Route 279 / National Route 338 north	Northern terminus; northern end of unsigned National Route 338 concurrency
See National Route 338
Rokkasho	0	0.0	National Route 338 south	Southern end of unsigned National Route 338 concurrency; beginning of distance markers
Shichinohe	24.5	15.2	Kamikita Expressway east	Current western terminus of the Kamikita Expressway
	29.7	18.5	National Route 4 / National Route 45	National Route 45 is unsigned
Aomori	54.0	33.6	Aomori Prefecture Route 40 (Aomori-Tashiro-Towada route)
Towada	60.4	37.5	National Route 103 south	Northern end of National Route 103 concurrency
Aomori	70.8	44.0	National Route 103 north	Southern end of National Route 103 concurrency
	71.4– 71.8	44.4– 44.6	Jōgakura Bridge
Kuroishi	87.9	54.6	National Route 102 east	Northern end of National Route 102 concurrency (National Route 394 is unsigned)
	94.2	58.5	Tōhoku Expressway– Morioka, Aomori	Interchange; Tōhoku Expressway exit 52
Hirosaki	103.5	64.3	National Route 7	Interchange; southern end of National Route 102 concurrency; southern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

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