The California Highway Patrol found the victim lying in the roadway.
MERCED COUNTY, Calif. (KFSN) -- Parts of Highway 140 are closed in Merced County after a truck hit and killed a bicylist on Sunday morning.
It happened just before 4:30 am near Lincoln Boulevard, just south of Livingston.
The California Highway Patrol found the victim lying in the roadway. The victim was pronounced dead at the scene.
There is no word if the driver who struck the victim left the scene, or is cooperating with authorities.
Both lanes of Highway 140 are still shut down as officers continue to investigate.
It's unknown when roadways will open up.