What is the best route from Las Vegas to United States Penitentiary Atwater CA?

Travel slightly sw to barstow, then west on hwy 58 to bakersfield, to 99 north to Buhach or Franklin road, east to Santa Fe Ave, Then north to Fox Road, which will take you to the Pen Travel slightly sw to barstow, then west on hwy 58 to bakersfield, to 99 north to Buhach or Franklin road, east to Santa Fe Ave, Then north to Fox Road, which will take you to the Pen