The A61 autoroute is a French motorway forming part of the Autoroute de Deux Mers. It is 147.5 kilometres (91.7 mi) long.
It connects Narbonne (and a junction on A9) and Toulouse, where it becomes the A62 towards Bordeaux. It also has junctions with the A64 towards Bayonne and A68 towards Albi on the outskirts of Toulouse. It is totally a toll road and operated by ASF. It is with 2x2 lanes on the majority of its course except for the section between Toulouse and the junction with A66 close to Villefranche-de-Lauragais which is 2x3 lanes. It is also the European route E80.