James Slone, 33, of
, entered the plea in Floyd County Circuit Court. Melvin, Kentucky
Investigators say Slone was driving east on
Kentucky 122 in June 2011 when he crossed the center line, colliding with a truck driven by Jeffrey Hamilton, 36, of . McDowell, Kentucky
Hamilton and Karen Mitchell, 43, of Hi Hat, both died at the scene. Mitchell was a passenger in Slone's truck.
Commonwealth Attorney Brent Turner said Slone pleaded guilty to two counts of manslaughter and two counts of assault.
Turner says Slone will receive 20 years on the manslaughter counts and 12 years each on the assault counts. The sentences will be served concurrently.
He will be formally sentenced on September 5.