The A81 autoroute is a motorway in north-western France. It forms the first part of a long-term project to upgrade the road connection between Le Mans and Brest to motorway standard throughout. Until 1982 the motorway was known as the F11. The A81 is a part of European route E50 linking Brest to Makhachkala in Russia.

Section completed:

• Le Mans - La Gravelle (managed by Cofiroute) (94.8 km (58.9 mi))

Sections not yet upgraded:

• N157: La Gravelle - Rennes (40.9 km (25.4 mi))
• N12: Rennes - Brest (228.0 km (141.7 mi))

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. (December 2021)

• A11 autoroute interchange
  • Rest areas: La Landrière (westbound), La Chevallerie (eastbound)
  • Rest areas: Les Gripperies (westbound), La Coire (eastbound)
• Exit 1 (27 km): for Sillé-le-Guillaume, Sablé-sur-Sarthe, Joué-en-Charnie
  • Service areas: Saint-Denis d'Orques (westbound), Thorigné-en-Charnie (eastbound)
• Exit 2 (50 km): for Évron, Vaiges
  • Rest areas: Villeray (westbound), Loriolet (eastbound)
  • Service areas: Laval-Bonchamp (westbound), Laval-le-Coudray (eastbound)
• Exit 3 (70 km): for Laval, Mayenne
  • Rest areas: La Mayenne (westbound), Château de Ricourdet (eastbound)
• Exit 4 (77 km): for Laval, Ernée, Fougères
  • Rest areas: La Paplonnière (westbound), La Sorinière (eastbound)
• Exit 5 and current end of motorway (94 km): for Laval, La Gravelle, Vitré
  • Service areas (on N157): Derbée (westbound), Mondevert (eastbound)

• A81 Motorway in Saratlas