National Secondary Route 137, or just Route 137 (Spanish: Ruta Nacional Secundaria 137, or Ruta 137) is a National Road Route of Costa Rica, located in the San José, Alajuela provinces.

[1] In San José province the route covers Puriscal canton (Santiago, Barbacoas, Grifo Alto districts), Turrubares canton (San Pablo, San Pedro, San Juan de Mata districts).

In Alajuela province the route covers Orotina canton (Orotina district).

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