The Autoroute 4, abbreviated to A4 or otherwise known as the Esch-sur-Alzette motorway (, , ), is a motorway in southern Luxembourg. It is long and connects Luxembourg City to Esch-sur-Alzette. Overview The A4 was opened in six separate sections: 1969: Pontpierre – Lallange 1972: Leudelange-Nord – Leudelange-Sud 1974: Merl – Leudelange-Nord 1976: Leudelange-Sud – Pontpierre 1988: Lallange – Lankelz 1992: Lankelz – Raemerech Route References External links Administration des Ponts et Chaussées Motorways in Luxembourg