A 21-year-old man died over the weekend from injuries suffered in a car-motorcycle accident Friday afternoon.

Wesley H. MacDonald, Provo, died Saturday at Utah Valley Regional Medical Center. The accident occurred at 4:15 p.m. Friday.Police said MacDonald was southbound on State Street when he collided with a car driven by Orem motorist Beverly Jameson, who was making a left turn at 1000 South. MacDonald was thrown from his motorcycle after the impact.

According to Orem police spokesman Gerald Nielsen, witnesses said MacDonald had been weaving in and out of traffic at a high rate of speed just before the accident occurred.

No citations were issued Friday. The accident remains under investigation.