National Primary Route 3, or just Route 3 (, or ) is a National Road Route of Costa Rica, located in the San José, Alajuela, Heredia provinces.

Description In San José province the route covers San José canton (Uruca district).

In Alajuela province the route covers Alajuela canton (Alajuela, San José, Río Segundo, Desamparados, and Garita districts), San Mateo canton (San Mateo and Desmonte districts), Atenas canton (Atenas, Jesús, Concepción districts), and Orotina canton (Orotina district).

In Heredia province the route covers Heredia canton (Heredia, Mercedes, San Francisco, and Ulloa districts), Belén canton (La Ribera district), and Flores canton (Llorente district).

References