✓Within the first 50 miles, then every 3 hours or 150 miles
Only at the start of the trip
Every hour regardless of distance traveled
Only when you stop to refuel
Why: Drivers must check cargo securement within the first 50 miles of a trip, and then every 3 hours or 150 miles (whichever comes first) after that, as well as after any change in duty status or any time the vehicle is stopped to perform other duties.