| Country: | CRI |
| Type: | Secondary |
| Route: | 242 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | San José |
| Length Km: | 18.245 |
| Length Round: | 2 |
| Previous Type: | RNS |
| Previous Route: | 241 |
| Next Type: | RNS |
| Next Route: | 243 |
National Secondary Route 242, or just Route 242 (Spanish; Castilian: Ruta Nacional Secundaria 242, or Spanish; Castilian: Ruta 242) is a National Road Route of Costa Rica, located in the San José province.[1]
In San José province the route covers Pérez Zeledón canton (San Isidro de El General, Daniel Flores, Rivas districts).