FREDERICK, Md. — All southbound lanes and shoulders were closed on Interstate 270 in Montgomery County after a serious crash Friday morning, Montgomery County officials said.
The single-vehicle crash happened on southbound I-270 at Exit 22 Route 109, Old Hundred Road around 2:45 a.m., police said.
As of 6:45 a.m., the damaged vehicle was removed from the scene. Crews have since reopened all lanes to allow traffic after clearing the accident debris from the roadway.
One adult is in serious condition was transported to a hospital by Montgomery County Fire and EMS crews, police said. Three other people, including several children, suffered non-life-threatening injuries following the crash.
Montgomery County Fire, Frederick County Fire and several other fire units responded to the scene.
At this time, the events leading up to the crash remain unknown.
The road closures caused some delays and backups along the roadway. Drivers were encouraged to seek alternate routes.