All northbound lanes of the I-45 North Freeway near I-10 East were shut down due to a crash involving an overturned big rig.
The crash happened on the elevated portion of the freeway near the Downtown Aquarium.
Houston Transtar first reported the crash at about 3:45 a.m. All northbound mainlanes reopened three and a half hours later around 7:15 a.m.
It wasn't immediately known what caused the crash or if anyone was injured.
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