Police say the woman was hit around 2:10am near Greenhouse Road. They say she was attempting to walk southbound across the main lanes of traffic in the 18500 block of the Katy Freeway when she was struck by a blue Honda Accord. The victim was pronounced dead at the scene.
Authorities say the driver stopped and waited for officers to arrive. He was questioned and released at the scene. Officers determined alcohol was not a factor in the accident.
Police have not released the woman's identity.
The accident completely shut down the westbound lanes of the freeway for a period of time.