It is owned and managed by Central Nippon Expressway Company.

Officially the road is designated as National Route 271[1] as well as E85 under their "Expressway Numbering System.

"[3] 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 toll for a normal passenger car to use one section is 350 yen.