VDOT officials said the crash closed I-64's right lane and shoulder at mile marker 186. That is near the exit for Staples Mill Road as well as the exit for Laburnum Avenue and I-195.

The semi driver suffered injuries that were described as non-life-threatening.

Traffic was backed up just over 2 miles as of 11:05 a.m.

"Extended closures are anticipated," VDOT officials warned. "Motorists should seek alternate routes to avoid delays."

The cause of the wreck remains under investigation, troopers said.

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