A1 motorway (Luxembourg)
| Autoroute 1 | |
|---|---|
| Autobunn 1 | |
| Autoroute de Trèves | |
| Route information | |
| Part of E44 | |
| Length | 36.203 km (22.496 mi) | 
| Existed | 1969–present | 
| History | Completed: 23 September 1996 | 
| Major junctions | |
| Western end | Croix de Gasperich for  Luxembourg City, A3, A6  | 
| Kirchberg  Luxembourg Airport Munsbach Mertert Wasserbillig  | |
| Eastern end | Sauer Valley Bridge & Bundesautobahn 64 for Trier  | 
| Location | |
| Country | Luxembourg | 
| Highway system | |
The Autoroute 1, abbreviated to A1 or otherwise known as the Trier motorway (Luxembourgish: Tréierer Autobunn, French: Autoroute de Trèves), is a motorway in Luxembourg. It is 36.203 kilometres (22.496 mi) long and connects Luxembourg City, in the south, to Wasserbillig, in the east. A few hundred metres to the north of Wasserbillig, it reaches the German border, whereupon it becomes the A64, which leads to Trier.