NASCAR tower now controls pit-road entrance light

NASCAR officials in race control will now be in control of the indicator light at the entrance to pit road which began with Sunday's race at Sonoma Raceway. The light and flags, previously both controlled by a NASCAR official at the opening of pit road, indicate whether pit road is open or closed at various points during a race. An issue with that system last weekend at Chicago during an NASCAR XFINITY Series event resulted in 19 drivers pitting under caution before pit road was officially open – because most had heard on the radio officials in the tower announce pit road was open. The change is for all three national series – Sprint Cup, XFINITY and Camping World Truck Series. NASCAR.com