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A3 motorway (Luxembourg)

The Autoroute 3, abbreviated to A3 or otherwise known as the Dudelange motorway (French: Autoroute de Dudelange), is a motorway in southern Luxembourg. It is 13.318 kilometres (8.275 mi) long and connects Luxembourg City to Dudelange. At Dudelange, it reaches the French border, whereupon it meets the A31, which leads to Metz.

Autoroute 3 shield}}

Autoroute 3
Autobunn 3
Autoroute de Dudelange
Route information
Part of
Length13.318 km (8.275 mi)
HistoryCompleted 21 June 1995
Major junctions
North endHesperange for Luxembourg City
 Croix de Gasperich
South endFrance Autoroute 31 for Metz
Highway system
Motorways in Luxembourg



The A3 was opened in three separate sections:

The motorway has two lanes in both directions for its entire length, with the exception of a 1.3 km section on the northbound carriageway, where there are three lanes between the Livange/Bettembourg entry slip road (J2) and the Berchem service station entry slip road, where it again merges to become two lanes.



  1. ^ "Evolution du réseau autoroutier" (in French). Administration des Ponts et Chaussées. 24 January 2008. Archived from the original on 3 March 2009. Retrieved 29 December 2008.

External linksEdit

  Media related to A3 (Luxembourg) at Wikimedia Commons