A woman dancing naked on top of a big rig on Highway 290 at Huffmeister Road was taken into custody Monday after the bizarre ordeal caused the freeway to shut down in both directions.

"I've never seen anything like this," said witness Darlene Kanabel. "She was going towards the 18-wheeler then it stopped and then she started throwing her clothes at the traffic."

Deputies were alerted just before 9 a.m. for a psychiatric call. When they arrived a woman was undressing and could be seen on Houston Transtar cameras dancing on top of a big rig. It is unknown why the woman climbed on the truck.

Before that incident took place, deputies say she was involved in two minor hit-and-run crashes. One of them took place along Jones Road and 290 in Jersey Village. No one was seriously hurt.

[LISTEN TO AUDIO OF 911 CALL OF DRIVER REPORTING ACCIDENT]

Sky 2 aerials showed the woman sitting, dancing and standing at various times on top of the big rig's cab.

"She was talking about all sorts of things: Wall Street, the CIA, aliens," said Thomas Gilliland, Harris County Sheriff's Office public information officer.

Deputies believed she was under the influence of some sort of drug or alcohol but that hasn't been tested yet.

Firefighters moved a truck with an aerial tower next to the big rig to try to talk to the woman, but she could be seen spitting on at least one official who was standing on the truck's platform.

Authorities eventually were able to handcuff her and bring help onto the aerial tower's platform to take her into custody. She was then taken to North Cypress Medical Center for evaluation.

The 25-year-old woman is still at the hospital as of Tuesday morning and deputies said she will soon be moved to a psychiatric facility.

No charges have been filed yet.