The website from the EU Commission provides you with information about the current speed limits in the EU Member States.
The website is for all drivers driving in EU.
The website helps you to comply with European rules. Speed limits avoid serious accidents.
The current general speed limits vary across EU Member States. Also the application of variable speed limits related to traffic and weather conditions vary across EU Member States. So if you plan to drive through European Member States it would be helpful to check current speed limits.