A useful site for anyone planning a trip to Norway is Vegvesen.no - it has up to date information regarding road maintenance including diversions and closures, weather conditions, ferry crossings with timetables and webcams showing current conditions. Only available in Norwegian but Google Translate is your friend....
https://www.vegvesen.no/Trafikkbeta/?lat=61.83748&long=8.33655&zoom=5&lag=Ferjer,Trafikkflyt,V%C3%A6r-%20og%20f%C3%B8remeldinger,Vegkamera%20og%20v%C3%A6rstasjoner,Bomstasjoner,Trafikkmeldinger&listView=false
https://www.vegvesen.no/Trafikkbeta/?lat=61.83748&long=8.33655&zoom=5&lag=Ferjer,Trafikkflyt,V%C3%A6r-%20og%20f%C3%B8remeldinger,Vegkamera%20og%20v%C3%A6rstasjoner,Bomstasjoner,Trafikkmeldinger&listView=false