De danske trafikskiltes piktogrammer har vundet opmærksomhed hos myndighederne i udlandet, hvor blandt andet Norge, Sverige og England har kopieret en række af dem. Siden 1989 er alle nye piktogrammer og symboler til trafikformål udviklet af Ole Søndergaard.

I 1995 vandt Vejdirektoratet IG Prisen for
Ole Søndergaards design.

The pictograms on Danish traffic signs have attracted attention from road authorities in other countries, and some have been copied by Norway, Sweden, the UK and other countries. Since 1989, all new traffic pictograms and symbols have been designed by Ole Søndergaard.

In 1995 the Danish Road Directorate was awarded the IG Prize for Ole Søndergaard’s graphic design.