PLEASANT HILL, Ore. - Traffic set off rounds of ammunition scattered along Highway 58 on Friday morning, Oregon State Police said.
Police do not know how the hundreds of .22 caliber shells and a box of 30-caliber rifle ammo wound up on the shoulder and roadway of Hwy 58 just a mile east of Interstate 5.
Adjacent businesses reported hearing ammo discharging as motor vehicles ran over the bullets. No one was injured, and no damage was reported.
The Oregon Department of Transportation cleaned up the ammo without incident, police said.