Both accidents occurred between Altwies and Frisange.
The first took place at 5pm and resulted in three injured parties.
The second happened at 6.15, with two people injured. Frisange, Mondorf and Dalheim fire fighters were called to the scene, as well as Remich, Dudelange and Bettembourg ambulance services.
A car and a motorbike collided in Kirchberg shortly after 5pm, with one person suffering injuries.
Two further people were injured in an accident early on Tuesday morning. This occurred on the road between Erpeldange and Michelau at 3.30am.
