nationals roads Repertorization
First network
This section concerns the important national roads departing from Brussels. They are classified in clock order (from N1 to N9).
Second network
This section concerns the important national roads that connect the major cities, excluding Brussels, to each other (from N10 to N90).
Third network
This section concerns the provincial national roads. The first digit indicates the province in which they are located (from 1 to 9).
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Fourt network
This section concerns secondary national roads. The first digit indicates the province in which they are located (from 1 to 9).