| Country: | JPN |
| Type: | Expressway |
| Route: | Tateyama |
| Alternate Name: | 館山自動車道 |
| Map Custom: | yes |
| Length Km: | 55.7 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Established: | 1995[2] |
| Terminus A: | Chūō-ku, Chiba Keiyō Road |
| Cities: | Ichihara, Sodegaura, Kisarazu, Kimitsu, Futtsu |
| Terminus B: | Futtsu-Takeoka Interchange in Futtsu, Chiba Futtsu Tateyama Road Chiba Prefectural Route 91 |
The is a national expressway in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.
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.
| 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 | 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 | ||||||||
| 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 | |||