The crash happened around 7 a.m. Thursday along I-70 westbound between Exits 40 and 41 near Myersville, right near the Frederick - Washington County line.
Maryland State Police Frederick Barracks say the trooper, identified as Trooper Drian Ervin, is from the Westminster Barrack. He was transported to the Shock Trauma Center in Baltimore with minor injuries.
Traffic was backed up along the westbound lanes for several miles, as police worked to clear the scene.
The cause of the accident is still under investigation.
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