The speed limits in France are somewhat similar to speed limits in other european countries. They are indicated in kilometers per hour.
Getting caught while speeding in France. This simple phrase actually has many different possibilities. Especially since Brexit. Let's go through them. You can find on the following page the different french fines for speeding.
Foreigner or not, speeding is punishable by law (usual speed limits). Having a french driving licence or not, driving a vehicle with french driving plates or not, will make a difference in the outcome: