Is a policeman permitted to instruct the driver of a freight carrying vehicle to bring the vehicle to a weighing station?

1. A Yes, but only if the driver doesn’t have a bill of lading.
2. B Yes, a policeman is permitted to instruct the driver of a freight carrying vehicle to bring the vehicle for weighing at the closest possible place.
3. C Yes, provided that the weighing station is less than 3km away.
4. D Yes, provided that the instructions are of a traffic policeman.