National Secondary Route 140, or just Route 140 (, or ) is a National Road Route of Costa Rica, located in the Alajuela province.
In Alajuela province the route covers Alajuela canton (SarapiquÃÂ district), San Carlos canton (Quesada, Aguas Zarcas, Venecia, La Palmera districts), RÃÂo Cuarto canton (RÃÂo Cuarto district).