Bit shaky about your NASCAR? Well, I'm going to make a NASCAR series of articles called NASCAR 101.
Green:
The track is clear and cars may proceed at speed. This flag is used to signal the beginning of the race and any restarts.
Yellow (Caution):
The track is not clear, slow down and hold your position behind the pace car. This flag is used to signal an accident, debris caused by contract or mechanical failure, or weather-related issues. NASCAR rules allow cars to bunch up behind the leader. In most cases, lead-lap cars restart in the outside lane, while any lapped cars restart to the inside....
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