Shiretoko Traverse RD (R334) :

Closed in snow season, usually from ealy November to late April. The closed section is from "Shiretoko Nature Center" to "Rausu visitor center". The road open date may be postponed because of snow or low temperature. In May and October, the road will be closed in night time. Open time and close time will be changed according to the weather condition.

Shiretoko Park RD:

The section from Shiretoko Nature Center to Iwaobetsu is closed at night(5pm-8am) in winter, from late November to late April. The section from Iwaobetsu to Shiretoko-goko is also closed from late November to late April.The section from Shiretokogoko to Kamuywakka is closed in snow season, from late November to early June.