Accompanied by instructor Tony DeVeres from California Truck Driving Academy, right, student driver Edgar Lopez, 23, drives a practice truck along the freeway in Inglewood, Calif., Monday, Nov. 15 ...

I n most states, aspiring barbers have to spend 1,000 hours or more in training before they get a license. To drive a 40,000-pound truck, though, there’s no minimum behind-the-wheel driving time ...