The first half saw over 20 lead changes and only two yellow flags.

This brought out the third yellow flag in the race.

That, in turn, would bring out more yellow flags and hold down the race's average speed.

The safety car was not called for, but yellow flags were in effect until the end through that section of the course.

"They have been in contact with their clients, and not one of them has seen even a yellow flag."

"I'm almost in shock being put out of the race under a yellow flag."

In addition, a yellow flag is attached to the car.

As protection the X23 would be clearly marked by a large yellow flag.

Coming off to us was a boat, flying a yellow flag.

Mark Martin took the lead shortly before the yellow flag came out.