A33 autoroute  The A33 autoroute is a long motorway in northeastern France. It forms part of European route E23. The road is only long and connects Nancy to Dombasle-sur-Meurthe. After Lunéville the road becomes the N333 to Blâmont. The road forms an upgrade of the N4 which is now called the N4a. The road then becomes the dual carriageway N333 towards Lunéville and Strasbourg