Road surface partially or completely covered with an up to 10 cm thick layer of ice or wet or loosely packed snow. Road conditions unsafe except for jeeps and larger vehicles.
Snow cover thick enough to make road impassable for normal vehicles.
This description is also valid when a road is impassable for other reasons, such as landslides, water floods etc. In the interest of traffic safety motorists are advised to proceed with caution. No information on road conditions available.