Route nationale 1a (Madagascar)

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 )