Route nationale 31 (RN 31) is a primary highway in Madagascar of 129 km, running from Bealanana to the junction with the RN 6 near Andrafia.
It is entirely in the Sofia Region.
Selected locations on route (from northeast to southwest) Bealanana Ambatosia Antsohihy near Andrafia - (intersection with RN 6 to Antsiranana or Mahajanga)
See also List of roads in Madagascar Transport in Madagascar
References