| Country: | CRI |
| Type: | Tertiary |
| Route: | 742 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Alajuela, Puntarenas |
| Length Km: | 51.770 |
| Length Round: | 2 |
| Previous Type: | RNT |
| Previous Route: | 741 |
| Next Type: | RNT |
| Next Route: | 744 |
National Tertiary Route 742, or just Route 742 (Spanish; Castilian: Ruta Nacional Terciaria 742, or Spanish; Castilian: Ruta 742) is a National Road Route of Costa Rica, located in the Alajuela, Puntarenas provinces.[1]
In Alajuela province the route covers San Ramón canton (San Ramón, Piedades Norte, Piedades Sur, Alfaro, Zapotal districts).
In Puntarenas province the route covers Esparza canton (Macacona, San Jerónimo districts).