National Secondary Route 147, or just Route 147 (Spanish: Ruta Nacional Secundaria 147, or Ruta 147) is a National Road Route of Costa Rica, located in the San José, Alajuela provinces.

A straight forward radial road, it spans the San Rafael district in Alajuela canton of Alajuela province, and Pozos, Santa Ana districts of Santa Ana canton, in San José province.

In Pozos district there is a junction with Route 27.

The bridge over Virilla river was widened in 2018, further lane widening is withhold due to expropriation process.

This article about a road in Costa Rica is a stub.