Odawara-Atsugi Road

The Odawara-Atsugi Road (小田原厚木道路, Odawara Atsugi Dōro) is a 4-laned toll road in Kanagawa Prefecture, Japan. It is owned and managed by Central Nippon Expressway Company.

Odawara-Atsugi Road
国道271号
小田原厚木道路
Route information
Length33.1 km[1] (20.6 mi)
Existed1969[2]–present
Major junctions
FromOdawara-nishi Interchange in Odawara, Kanagawa
Seishō Bypass
ToAtsugi Interchange in Atsugi, Kanagawa
Tōmei Expressway
National Route 129
Location
Major citiesHiratsuka, Isehara
Highway system
National highways of Japan
Expressways of Japan
← National Route 270National Route 272 →

Route description

Officially the road is designated as National Route 271.[1] The entire road is built to a standard similar to that of an urban expressway and is classified as a road for motor vehicles only (自動車専用道路, Jidōsha Senyō Dōro) (motor vehicles must have a displacement of at least 125 cc).

The road connects western Kanagawa Prefecture (including the popular onsen resort town of Hakone) with Tokyo through the Tōmei Expressway. The route parallels Route 1 until Ōiso, where it then follows a northeasterly route through Hiratsuka and Isehara before terminating in Atsugi.

The road was opened in 1969 with 2 lanes. Expansion to 4 lanes was completed in 1978.[3]

For toll collection purposes the road is divided into an Odawara section and an Atsugi section, with Ōiso Interchange as the dividing point. The toll for a normal passenger car to use one section is 350 yen.[4]

List of interchanges and features
Odawara-higashi Interchange with Mount Fuji in the background
Name Connections Dist. from
Origin		 Notes Speed Limit Location
(all in Kanagawa)
Odawara-nishi IC Seishō Bypass 0.0 60 km/h Odawara
Ogikubo IC 1.8 Odawara-bound exit, Atsugi-bound entrance only
Odawara-higashi IC National Route 255 6.7
Odawara Toll Plaza/
PA		 ↓ PA: Odawara-bound only
Ninomiya IC 13.7 Ninomiya
Ōiso IC/
PA		 17.2 PA: Atsugi-bound only Ōiso
80 km/h
Hiratsuka Toll Gate ↓ Hiratsuka
Hiratsuka IC/
PA		 Pref. Route 62 (Hiratsuka Hadano Route) 23.2 PA: Odawara-bound only
Isehara IC Pref. Route 44 (Isehara Fujisawa Route) 26.8 Atsugi-bound exit, Odawara-bound entrance only Isehara
Atsugi-nishi IC Pref. Route 604 (Aikō Ishida Teishajō Sakai Route) 30.8 Atsugi
60 km/h
Atsugi IC Tōmei Expressway
National Route 129		 33.1 Route 129 inaccessible from Odawara

References
  1. Ministry of Land, Infrastructure and Transport. "Road Timetable". Archived from the original on 2008-03-06. Retrieved 2008-04-18.
  2. "C-NEXCO Service Area Information". Retrieved 2008-04-18.
  3. "History of Atsugi City". Archived from the original on 2007-08-23. Retrieved 2008-04-18.
  4. "E-NEXCO Drive Plaza Route Search". Retrieved 2008-04-13.

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