A5 (Warning—Narrowing road) is a Swedish road sign belonging to category A (Warnings signs). Closer provisions are given in the road sign ordinance (SFS 2007:90): The sign indicates that the road or path narrows. The symbol shall be adjusted according to the local conditions. The variant A5-1 indicates that the road or path narrows from both sides.
transportstyrelsen.se,  



Source materials for this file are available from Commons Archive:

Sweden road sign A5-1.eps
Government of Sweden