Province of Brabant
The third network is composed of provincial national roads. The first digit corresponds to a province—from 1 to 9—based upon the old provinces and in alphabetical order in French, thus: Province of Antwerp; Province of Brabant; Province of West Flanders; Province of East Flanders; Province of Hainaut; Province of Liège; Province of Limburg; Province of Luxemburg; and Province of Namur.