Austin police shut down the flyover ramp from northbound Interstate 35 to eastbound U.S. 290 for more than an hour on Tuesday morning because of a crash involving a pedestrian.
According to police, authorities received reports of the crash around 7 a.m.
Austin-Travis County EMS crews arrived and found a man in his 20s with life-threatening injuries, officials said.
Medics took the man to University Medical Center Brackenridge.
Officers completed their on-scene investigation and cleared the scene around 9 a.m., police said.
Residual traffic is expected to continue in the area.