A female passenger was left terrified after a motorist made a U-turn on a busy highway in eastern China and started to drive in the wrong direction.

The terrifying video, filmed in Zhenjiang city in Jiangsu province on September 7, shows a car suddenly turning around and driving towards the upcoming traffic on the Shanghai–Nanjing Expressway.

Vehicles on the highway were honking and trying to avoid the car. A woman in the car can be heard screaming: "Are you insane? What are you doing?"

According to reports, the man U-turned twice on the highway and he has been suspected of endangering the public's safety.

The case is being investigated by the police.