FAIRFAX, Va. (WUSA) -- A tractor trailer has overturned on westbound I-495 to I-95 HOV south flyover ramp causing debris to spill below onto the Inner Loop on Tuesday at 2:40 p.m., officials say.
The Metropolitan Area Transportation Operations Coordination says all four lanes on the Inner Loop had to be closed but drivers were able to pass through using the left shoulder.
At 3:44 p.m. two lanes were re-opened. The cause of the overturn that has left the trailer leaning on the jersey wall is not yet known. No injures were reported.