A10 (Warning—Slippery road) is a Swedish road sign, belonging to the category of warning signs (group A). Closer provisions are given in the road sign ordinance (SFS 2007:90): The sign indicates that the road may be slippery. The sign may only be used to warn about slipperiness due to snow or ice if there are particular reasons for it.
transportstyrelsen.se 



Source materials for this file are available from Commons Archive:

Sweden road sign A10-1.eps
Government of Sweden