Glendon Buzzell of Maine and Wal-Mart Transportation competes in the finals of the Straight Truck Division at the National Truck Driving Championship in Indianapolis Aug. 13, 2016. (John Sommers II for Transport Topics)

Check out the challenge that drivers pulling twin trailers faced at the 2016 National Truck Driving Championships and National Step Van Driving Championships in Indianapolis, Aug. 12, 2016. (John Sommers II for Transport Topics)

John Hummel, South Carolina champion in the Sleeper Berth class, goes through the paces on Course A during the National Truck Driving Championships and National Step Van Driving Championships in Indianapolis Aug. 12, 2016. (John Sommers II for Transport Topics)

Jack Sorensen of Lynden Transport, a state champion from Alaska, takes a spin in the tank truck division at the 2016 National Truck Driving Championships in Indianapolis Aug. 11, 2016. (John Sommers II for Transport Topics)

The little yellow rubber duck survived close calls with trucks at the 2014 and 2015 National Truck Driving Championships. Will the truck cut the corner in time again this year? (John Sommers II for Transport Topics)