And that's why the EU every truck needs to be legally fitted with a Tachometer that measures every parameter of a vehicle, and a truck driver cannot legally drive for more than 8 hours (I think they can do 9 hours once per week, and they need a 24h break at least once per week as well) - after that, they need at least 8 hour break, when the vehicle cannot move. If the truck is stopped by the police,and they find that the driver has been driving over the time limit in the past 3 months, they will issue a massive, multi-thousand euro fine, so it's extremely rare for drivers to work overtime.

I knew a driver who drove for loading at a company, and because it was taking them too long, his time for a break started before they finished. He refused to move the truck from the spot for a whole 8 hours,even though it was blocking the warehouse - he knew that if he moved it even a little bit, he(and the company he worked for) could be fined several thousand euros months down the line.