Route nationale 1a (RN 1a) is a secondary highway in Madagascar, running from Maintirano to Tsiroanomandidy. It crosses the region of Bongolava and Melaky.
Selected locations on route (west to east) Maintirano Amparihimanga Tsiroanomandidy - (intersection with RN 1a to Maintirano and RN 1b )
See also List of roads in Madagascar Transport in Madagascar
References