The is a national expressway in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.

Naming

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.

Overview

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. The section from Kimitsu Interchange to Futtsu-Takeoka Interchange is 2 lanes, while the remainder is 4 lanes.

List of interchanges and features

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

Main Route

No.NameConnectionsDist. fromOriginDist. fromTerminusBus StopNotesLocation(all in Chiba)Through to Keiyō Road13Ichihara IC National Route 297 (Ichihara Bypass)8.043.4IchiharaBRYōrōgawa Bridge↓↑SAIchihara SA(11.7)12.639.7(38.8)14Anesaki-Sodegaura ICPref. Route 24 (Chiba Kamogawa Route)18.033.4BRObitsugawa Bridge↓↑KisarazuSodegaura15Kisarazu-kita IC National Route 409 (Bōsō Ōdan Road) National Route 41025.026.4Kisarazu16Kisarazu JCT Tokyo Bay Aqua-Line Ken-Ō Expressway26.824.617Kisarazu-minami JCT Kisarazu-minami Branch Route30.720.7BSKisarazu-Hatorino Bus Stop↓↑○18Kimitsu ICPref. Route 92 (Kimitsu Kamogawa Route)34.716.7KimitsuBRKoitogawa Bridge↓↑PAKimitsu PA39.312.119Futtsu-Chūō IC43.97.5FuttsuTNTenba Tunnel↓↑Length - 1,260 m20Futtsu-Takeoka ICPref. Route 91 (Takeoka Inter Route)51.40.0Through to Futtsu Tateyama Road

Kisarazu-minami Branch Route

No.NameConnectionsDist. fromOriginDist. fromTerminusBus StopNotesLocation(all in Chiba)17Kisarazu-minami JCT Main Route0.04.3KisarazuTBKisarazu-minami Toll Gate↓↑17-1Kisarazu-minami IC National Route 127 National Route 16 (Tokyo Wangan Road)4.30.0

References

External links

East Nippon Expressway Company