Icelandic supplementary road sign
Reglugerð um umferðarmerki og notkun þeirra http://www.us.is/Apps/WebObjects/US.woa/swdocument/3884/Regluger%C3%B0+um+umfer%C3%B0armerki+og+notkun+%C3%BEeirra,+nr.+289_1995.pdf
Gigillo83, drawn by original of Umferðastrofa