UPDATED 7:44 a.m.State Highway 51 is now back up and running, according to DPS.
OKLAHOMA – At this time, State Highway 51 both west and inside eastbound lanes are closed due to a semi roll-over in the center median.
Just after midnight Friday morning, Highway 51 was shut down near Vassor Road headed toward Stillwater.
According to the OHP, there was a Semi-rollover in the center median–closing down both westbound and eastbound lanes, and one eastbound lane for more than an hour and a half.
The lanes are still closed at this time, while crews unload fuel from the semi-truck.
So far, no word on whether the driver was injured.