‘I knew It Was Coming!’, words uttered at the end of the video, watch and you find out why.

Two men were driving in Fayette County, Pa., spotted an erratic driver, so the passenger started filming. The driver in front of their vehicle was swerving in and out the lane of traffic.

You can see the swerving driver nearly swiped the side of a school bus. The man recording the video tells the driver to slow down.

“Man, I don’t want to be involved in an accident,” he said.

Shortly after that, the erratic driver turns in front of an oncoming car. Then, airbags deploy in the men’s car.

WARNING: The video contains some offensive language

Does anyone else find it odd that the drivers of the vehicle that are filming, didn't bother to call 911 to report the erratic driver? Share your thoughts.