During a caution period the safety car enters the track ahead of the leader.

The end of the race was slowed by three caution periods.

With caution periods, a 400-mile race could be presented in less than three and a half hours.

In some races, though, cars may pass one another on the pit road during a caution period.

There were 13 lead changes and three caution period for 24 laps.

At the time, the pace car was not used for caution periods.

But everyone else also needed a little fuel to finish the race, and Stewart was in the lead well before the next caution period.

It would be the final caution period of the day.

It was during this third caution period that the lead changed hands in the restart.

That led to the fifth and final caution period of the afternoon.