STVO and other obligations in France

Good day girls and boys, I’m the new one and want to expand my horizon in this way.Next week to France, Spain and England will also go. It would be very nice if I could benefit from the experiences of the French Trucker. What special features do I have to expect if I cross the border with the truck? Is there a side where everything is legal? But I also care about the organization on the parking lots or rest areas. I know this with rain with Li If I’m right, the speeds inside are 50, highway 90 and big thank you in advance Jonny