Poland

http://ssc.siskom.waw.pl/ <- contstruction

http://ssc.siskom.waw.pl/mapa-nawierzchni/mapa-nawierzchnia.... <- quality of roads

A link to a Dutch motorway fansite is there, but that site is under construction for an update. Current information on Dutch motorways (snelwegen) can be found here:

https://www.wegenwiki.nl/Autosnelweg#Nederlandse_autosnelweg...

Something I learned to rely on last winter was

https://www.road.is

Also note the possible warnings under "Definitions". Those really are no joke and not what a boring European understands under "bad road conditions".