A Texas driver left a critically injured passenger inside a pickup truck after crashing into concrete signage on a freeway early Thursday, authorities said.

Harris County sheriff’s deputies responded to a crash on U.S. 290 near Little York, Captain J. Shannon said. The pickup truck left the roadway and struck the sign near the center median.

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The driver ran away while a passenger was still inside the vehicle, Shannon said. Photos from the scene show the crumbled truck, smashed windshield, and debris strewn across the roadway.

The Cy-Fair Fire Department cut the passenger out of the truck, KHOU-TV reported. The passenger was in critical condition and airlifted to a hospital by Life Flight, according to police.

Shannon said the driver was later found in an emergency room. No details on the driver's condition were immediately released.

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It was unclear what caused the crash.