National Secondary Route 137, or just Route 137 (, or ) is a National Road Route of Costa Rica, located in the San José and Alajuela provinces.
Description In San José province the route covers Puriscal canton (Santiago, Barbacoas, and Grifo Alto districts) and Turrubares canton (San Pablo, San Pedro, and San Juan de Mata districts).
In Alajuela province the route covers Orotina canton (Orotina district).
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