A crash involving an 18-wheeler has closed the eastbound ramp on the President George Bush Turnpike that leads to the northbound lanes of the Dallas North Tollway.
The truck struck a guard rail on the overpass and is partially hanging over the edge.
The 18-wheeler is the only vehicle involved and there were no injuries, according to State Trooper Lonny Haschel.
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The closure is expected to last into the afternoon, possibly through rush hour, as crews first unload and then right the trailer.
At 4 p.m., officials have not said when the road will reopen.