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Dataprodukten omfattar data om den nationella nummersättningen av vägsträckor. Beslut om nummersättning publiceras årligen av Länsstyrelsen i dokumentet Sammanställning över allmänna vägar, en per län. Företeelsetypen innehåller uppgifter om huvudnummer, undernummer, länstillhörighet samt om sträckan är en europaväg eller inte. Dataprodukten består av företeelsetypen Vägnummer. Företeelsetypen är knuten till det svenska vägnätet. <\/SPAN><\/SPAN><\/P>

Syftet med vägnummer är bl.a. att det ska var möjligt att se hierarkiskt hur vägnätet är uppbyggt. Lägre nummer för större vägar och högre nummer för mindre vägar. Vägnummer finns även på kommunala vägar/gator. Vägnummer ajourhålls av Trafikverket.<\/SPAN><\/SPAN><\/P>

Initial insamling av data för statliga vägar skedde 2001 när NVDB initialt laddades genom en överföring från dåvarande Vägverkets vägdatabank (VDB, den tidigare vägdatabasen), där förändringar ajourhållits kontinuerligt sedan 1980.<\/SPAN><\/SPAN><\/P>

Underlag för ajourhållning fångas hos dataleverantörerna och levereras till Trafikverkets enhet för Vägdata för beredning och registrering enligt uppgjorda avtal och processer. <\/SPAN><\/SPAN><\/P>

Dataleverantörer: <\/SPAN><\/SPAN><\/P>

\u2022 Statligt vägnät \u2013 Trafikverkets verksamhet för myndighetsbeslut.<\/SPAN><\/SPAN><\/P>

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