The Tateyama Expressway (館山自動車道, Tateyama Jidōsha-dō) is a national expressway in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.

Quick Facts Route information, Length ...

Tateyama Expressway
館山自動車道
Route information
Length	55.7 km[1] (34.6 mi)
Existed	1995[2]–present
Major junctions
From	Chūō-ku, Chiba Keiyō Road
To	Futtsu-Takeoka Interchange in Futtsu, Chiba Futtsu Tateyama Road Chiba Prefectural Route 91
Location
Country	Japan
Major cities	Ichihara, Sodegaura, Kisarazu, Kimitsu, Futtsu
Highway system
National highways of Japan Expressways of Japan

Close

Tateyama refers to the city of the same name on the Bōsō Peninsula, a major city in the region. Though the Tateyama Expressway does not actually reach the city proper, its extension the Futtsu Tateyama Road terminates at a point just beyond the city boundary in Minamibōsō City.

Officially the expressway is referred to as the Higashi-Kantō Expressway Tateyama Route and the Higashi-Kantō Expressway Chiba Futtsu Route.^[3]

Together with the Keiyō Road and Futtsu Tateyama Road, the expressway forms a link connecting the greater Tokyo area with southern Chiba Prefecture. The expressway has a junction with the Tokyo Bay Aqua-Line, creating the only direct road link connecting Chiba and Kanagawa Prefectures.

The first section of the expressway was opened to traffic in 1995 and the entire route was completed in 2007.^[4] The section from Kimitsu Interchange to Futtsu-Takeoka Interchange is 2 lanes, while the remainder is 4 lanes.

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. (November 2021)

• IC - interchange, JCT - junction, SA - service area, PA - parking area, BS - bus stop, TN - tunnel, BR - bridge, TB - toll gate

Main Route

More information No., Name ...

No.	Name	Connections	Dist. from Origin	Dist. from Terminus	Bus Stop	Notes	Location (all in Chiba)
Through to Keiyō Road
13	Ichihara IC	National Route 297 (Ichihara Bypass)	8.0	43.4			Ichihara
BR	Yōrōgawa Bridge		↓	↑
SA	Ichihara SA		(11.7) 12.6	39.7 (38.8)
14	Anesaki-Sodegaura IC	Pref. Route 24 (Chiba Kamogawa Route)	18.0	33.4
BR	Obitsugawa Bridge		↓	↑			Kisarazu
							Sodegaura
15	Kisarazu-kita IC	National Route 409 (Bōsō Ōdan Road) National Route 410	25.0	26.4			Kisarazu
16	Kisarazu JCT	Tokyo Bay Aqua-Line Ken-Ō Expressway	26.8	24.6
17	Kisarazu-minami JCT	Kisarazu-minami Branch Route	30.7	20.7
BS	Kisarazu-Hatorino Bus Stop		↓	↑	○
18	Kimitsu IC	Pref. Route 92 (Kimitsu Kamogawa Route)	34.7	16.7			Kimitsu
BR	Koitogawa Bridge		↓	↑
PA	Kimitsu PA		39.3	12.1
19	Futtsu-Chūō IC	National Route 127 / National Route 465 (Uchibō Nagisa Line)	43.9	7.5			Futtsu
TN	Tenba Tunnel		↓	↑		Length - 1,260 m
20	Futtsu-Takeoka IC	Pref. Route 91 (Takeoka Inter Route)	51.4	0.0
Through to Futtsu Tateyama Road

Close

Kisarazu-minami Branch Route

More information No., Name ...

No.	Name	Connections	Dist. from Origin	Dist. from Terminus	Bus Stop	Notes	Location (all in Chiba)
17	Kisarazu-minami JCT	Main Route	0.0	4.3			Kisarazu
TB	Kisarazu-minami Toll Gate		↓	↑
17-1	Kisarazu-minami IC	National Route 127 National Route 16 (Tokyo Wangan Road)	4.3	0.0

Close