Yonago Expressway

Yonago Expressway
米子自動車道
Route information
Length	66.5 km (41.3 mi)
Existed	1989–present
Major junctions
From	in Maniwa, Okayama Chūgoku Expressway
To	in Yonago, Tottori San'in Expressway
Location
Major cities	Hōki
Highway system
National highways of Japan Expressways of Japan

The Yonago Expressway (米子自動車道, Yonago Jidōsha-dō) is a national expressway in the Chūgoku region of Japan. It is owned and operated by West Nippon Expressway Company.

Overview[]

The expressway is officially referred to as the Okayama Yonago Route.

The route connects the city of Yonago with the Chūgoku Expressway in Okayama Prefecture. From the terminus at , there are plans to extend the route northward to the terminus of the city of Sakaiminato.

The first section of the expressway was opened to traffic in 1989 and the entire route was completed in 1992. The route was originally 2 lanes only, one in each direction. However expansion to two lanes in each direction has proceeded gradually over the years. Expansion of the southern half (between Ochiai Junction and Hiruzen Interchange) was completed in 2011.

List of interchanges and features[]

• IC - interchange, SIC - smart interchange, JCT - junction, SA - service area, PA - parking area, BS - bus stop, TN - tunnel, BR - bridge

No.	Name	Connections	Dist. from Origin	Bus Stop	Notes	Location
(15)		Chūgoku Expressway	0.0			Maniwa	Okayama
1		National Route 181	3.2	○
PA			7.2
TN	Suribachiyama Tunnel				northbound: 4,090 m (13,420 ft) southbound: 4,100 m (13,500 ft)
2		National Route 313 (planned)	15.6	◆	Bus stop closed
TN	Tamadayama Tunnel				northbound: 1,655 m (5,430 ft) southbound: 1,630 m (5,350 ft)
BS			24.0	◆	Bus stop closed
SA			32.5
3		National Route 482	33.5
TN					Length - 1,529 m (5,016 ft)
						Kōfu	Tottori
TN	Miyaichi Tunnel				northbound: 340 m (1,120 ft) southbound: 370 m (1,210 ft)
4		National Route 181 National Route 183 National Route 482 (planned)	48.9	○
TN	Neubara Tunnel				Length - 720 m (2,360 ft)	Hōki
5			57.2	○
5-1			61.7	○
TB			66.1			Yonago
6 (16)		San'in Expressway National Route 431	66.5		JCT:Northbound exit only IC:Southbound entrance only
Through to Sakaiminato (planned)

External links[]

• (in Japanese) West Nippon Expressway Company

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