The is a 4-laned national expressway in Hokkaidō, Japan. It is operated by the East Nippon Expressway Company.
Naming
The name Sasson is a kanji acronym of two characters. The first character represents and the second represents , which are the two cities connected by the expressway.
Officially the expressway is a part of the Hokkaidō Ōdan Expressway Nemuro Route and Abashiri Route.
Overview
The first section of the expressway opened in 1971 with two lanes ahead of the 1972 Winter Olympics. Expansion to four lanes was completed in 1974. The entire route was completed in 1992 with a connection to the Dō-Ō Expressway.
The speed limit is 80 km/h along the entire route.
The section from Sapporo-nishi Interchange through Sapporo Junction to Sapporo-minami Interchange on the Dō-Ō Expressway is built to an urban expressway standard and tolls are charged at a flat rate. As of March 2008 the toll on this section is 400 yen for regular passenger cars. Tolls on all other sections of the expressway are assessed according to distance travelled in the same manner as most other national expressways.
List of interchanges and features
IC - interchange, JCT - junction, PA - parking area, BS - bus stop, TN - tunnel, BR - bridge, TB - toll gate
No.NameConnectionsDist. fromOriginDist. fromTerminusBus StopNotesLocation(all in Hokkaidō)Through to Dō-Ō Expressway(32)Sapporo JCT Dō-Ō Expressway0.038.3Shiroishi-ku, SapporoBRToyohiragawa Bridge↓↑Toyohira River crossingHigashi-ku, Sapporo1Kariki IC National Route 274 (Sapporo Shindō) National Route 2751.936.4Sapporo-bound exit, Otaru-bound entrance only2Fushiko IC National Route 274 (Sapporo Shindō)Pref. Route 112 (Sapporo Tōbetsu Route)3.434.9Otaru-bound exit, Sapporo-bound entrance onlyBRFugome Bridge↓↑3Sapporo-kita IC National Route 274 (Sapporo Shindō)7.630.7Otaru-bound exit, Sapporo-bound entrance only4Sapporo-kita IC National Route 5 (Sapporo Shindō)7.630.7Sapporo-bound exit, Otaru-bound entrance onlyKita-ku, Sapporo5Shinkawa IC National Route 5 (Sapporo Shindō)Pref. Route 125 (Maeda Shinkawa Route)10.228.1Otaru-bound exit, Sapporo-bound entrance only6/TBSapporo-nishi IC/TB National Route 5 (Sapporo Shindō)Pref. Route 124 (Miyanosawa Kitaichijō Route)14.024.3Sapporo-bound exit, Otaru-bound entrance onlyNishi-ku, SapporoTeine-ku, Sapporo7Teine IC17.520.8Otaru-bound entrance and exit, Sapporo-bound entrance onlyPAKanayama PA/Emergency Exit20.018.3Emergency Exit: Authorized vehicles onlyBRHoshiokigawa Bridge↓↑Otaru8Zenibako ICPref. Route 147 (Zenibako Inter Route)23.614.7Zenibako River crossingBSMiharashi Bus Stop24.813.5○TNHariusu Tunnel↓↑9Otaru JCT Shiribeshi Expressway34.04.3No access: Asari IC → Otaru-shioya ICBSShinkō Bus Stop34.73.6○10Asari ICPref. Route 1 (Otaru Jōzankei Route)35.33.0TBAsari Toll Gate↓↑TNAsari Tunnel↓↑TNWakatake Tunnel↓↑11Otaru IC National Route 5Pref. Route 17 (Otarukō Route)38.30.0
References
External links
East Nippon Expressway Company