Does the President of the United States wear a seatbelt when riding in the presidential motorcade?
Ryan Rantz April 8, 2016 NASCAR, NASCAR 10 Lap Averages, NASCAR Average Speeds, NASCAR Practice Speeds, Texas, Texas Duck Commander 500, Texas Happy Hour Practice Speeds. Texas Duck Commander 500 NASCAR Happy Hour Practice Speeds and Averages (PDF) Missed Happy Hour?
How pit road speed limit is calculated. January 05, 2015, NASCAR.com. Find out the method behind the madness of NASCAR pit stops. There isn't a policeman hiding behind the pit wall with a radar gun, and there aren't speedometers in NASCAR racing vehicles.