In order to restrict the movement of people, you first need to know where they are, whatever the reason why the Feds want this new rule, we both know, it’s for some reason besides what they tell people while establishing more control over the people.
As it is, most of us carry a personal tracking device at almost all times — our cell phone. I think that tracking large commercial trucks is for reasons of security and will end up being extended to all other vehicles. And yes, the system of tracking will end up being abused.