The average annual driver turnover rate at truckload carriers is more than 130%. Two researchers dissect the formula behind the numbers. Time: 6:55; size: 6.3 Mb. Includes interviews with Linda Gauthier of the Canadian Trucking Human Resources Council and Julie Rodriguez of the Upper Great Plains Transportation Institute. Both organizations offer studies into why turnover rates are so high. Theme music is "Under a Sky" by Edie Carey. Exit music is "Sugar Mountain" by Casey Desmond.