| Route nationale 1a | |
|---|---|
| Location | |
| Country | Madagascar |
| Highway system | |
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 )