HOUSTON - One person was hit and killed while walking on the I-45 Gulf freeway Friday evening.

Authorities say around 9 p.m. a man had crossed the four southbound lanes and was walking across the northbound lanes when he was hit twice by oncoming vehicles.

All four northbound lanes were closed as police investigated the accident. Traffic is being directed onto the service road at Exit 38.

It is unclear why the victim was trying to cross the freeway. The victim's identity has not been released at this time.