Structural standards:
Class 3, Grade 2
Design speed: 60km/h
Total Length: 2.0km
Width: 8.0m
(0.75〜2×3.25〜0.75)
Commenced year: 2004 fiscal year
Background-Color 
Font-Size 
Font-Size Tosa National Highway Office
TOP＞Oyama road
Oyama road
Oyama road will be constructed to avoid a traffic stop in case of disaster and to form a wide area network in Kochi eastern area.
Route 55 in Oyama road's section
Route 55 in Kochi eastern area is along a coastline. It has been damaged by wave going over an embankment.
Therefore it is demanded to secure an alternative road in order to pass safely.
Damage by wave going over an embankment (Route 55)