FREDERICKSBURG, Va. (CBSDC/AP) — The southbound lanes of Interstate 95 have reopened following a lengthy cleanup of a crash involving hazardous materials in Stafford County.

Shortly before 5:15 a.m. two tractor-trailers collided with one another near exit 133, officials say.

One of the tractor-trailers was carrying barrels of phosphoric acid, described as an “organic, corrosive, liquid material.” HazMat crews are working to clear minor leakage from at least one of the barrels.

The roadway remained completely blocked during the more than five hour cleanup effort. All lanes reopened around 11 a.m.

The tractor-trailers, which did not overturn in the crash, have been moved to a nearby rest area which has been closed temporarily.

No injuries were reported in the crash.

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