DALLAS - A 22-year-old woman was killed after she was hit by a car while trying to take pictures of a three-vehicle accident on LBJ Freeway early Sunday.

April Sterling, of Dallas, and her friend were heading west on LBJ Freeway near Plano Road when they stopped so she could take pictures of the accident that occurred about 7:45 a.m., said Dallas police Sgt. Gil Cerda.

Ms. Sterling wanted to get closer to the accident scene so she ran into the HOV lane when a vehicle traveling west struck her, throwing her into the eastbound lanes of the freeway. She was taken to Parkland Memorial Hospital where she died from her injuries.

The three-vehicle accident shut down both sides of LBJ Freeway for several hours.

Police said a tractor-trailer was heading east on the freeway and driving over a hill when he locked his brakes to avoid hitting two trucks parked on the freeway's shoulder.

The tractor-trailer crashed into the two pickups, causing all three vehicles to burst into flames. One driver was taken to an area hospital. That driver's condition was unknown Sunday evening.

Sgt. Cerda said the tractor-trailer driver faces a misdemeanor charge of faulty evasion action.