AUSTIN (KXAN) — A man is in the hospital after being hit by a vehicle on the upper deck of Interstate 35 southbound Friday morning.

Austin Police said the crash took place on the part of the highway near Airport Boulevard.

Around 4 a.m., APD said there were calls reporting someone walking on the upper deck.

After the man was hit, he was taken to the hospital and now has life-threatening injuries, according to APD.

The vehicle involved in the crash stayed at the scene, police said.

I-35 in that area is back open after being closed to clear the crash, APD said.