Houston TranStar reported the incident just before 6 a.m. at SH-249 Tomball Parkway southbound at Mills and Greens Road.
SkyEye flew over the heavy backups as emergency officials responded to the scene. The crash was cleared at about 8:30 a.m., according to TranStar.
The Harris County Precinct 4 Constable's Office said up to five vehicles were involved in the crash, with two individuals reportedly trapped.
It's unclear at this point how the crash happened, or whether injuries were reported.
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