WILLIAMSPORT -- A tractor-trailer accident late Tuesday on northbound Interstate 81 near Williamsport continued to affect traffic this morning.
One lane of northbound I-81 had been closed since the accident, but had been reopened by 7:30 a.m., Maryland State Police said.
The accident took place just before 11 p.m., just north of exit 2 (U.S. 11), according to a Washington County Emergency Services dispatcher.
The tractor-trailer had rolled onto its side in the median.
One injured person was transported from the accident scene, the dispatcher said.