A car struck the guard rail on the A1 between Potaschbierg and Mertert shortly after midday, leaving one person with injuries.
Shortly before 3pm two cars collided, again on the A1, between the cargo centre and Munsbach.
Finally, another person was injured in a collision between two vehicles on Rue Joseph Kieffer, Esch-sur-Alzette, at 3.30pm.
