| Country: | CRI |
| Type: | Secondary |
| Route: | 135 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Alajuela |
| Length Km: | 21.925 |
| Length Round: | 2 |
| Previous Type: | RNS |
| Previous Route: | 134 |
| Next Type: | RNS |
| Next Route: | 136 |
National Secondary Route 135, or just Route 135 (es|Ruta Nacional Secundaria 135, or Spanish; Castilian: Ruta 135) 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 Rafael, San Isidro districts), Atenas canton (Atenas, Mercedes, San José, Santa Eulalia districts), Palmares canton (Palmares, Zaragoza, Buenos Aires, Candelaria, La Granja districts).