State police at Frackville reported investigating a tractor-trailer crash along Interstate 81 in Foster Township, Schuylkill County, at 8:10 a.m. on Aug. 31.

Troopers said Ronnell L. Birdon, 55, of Fort Worth, Texas, was operating a 2004 Volvo tractor with trailer southbound when he fell asleep at the wheel. The rig left the road and turned onto the driver’s side before it hit trees along the east berm.

Birdon and his passenger, Terence L. Johnson, 53, of Dallas, Texas, both had minor injuries but refused medical treatment. Troopers said Birdon received two traffic citations as a result of the crash.