| Country: | CRI |
| Type: | Tertiary |
| Route: | 703 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Alajuela |
| Length Km: | 19.010 |
| Length Round: | 2 |
| Previous Type: | RNT |
| Previous Route: | 702 |
| Next Type: | RNT |
| Next Route: | 704 |
National Tertiary Route 703, or just Route 703 (Spanish; Castilian: Ruta Nacional Terciaria 703, or Spanish; Castilian: Ruta 703) is a National Road Route of Costa Rica, located in the Alajuela province.[1]
In Alajuela province the route covers San Ramón canton (San Ramón, San Juan, San Rafael, Volio districts), Naranjo canton (San José, Cirrí Sur districts).