North Yorkshire Police observed four driver using their phones behind the wheel this morning.
Camera enforcement officers deployed on the A64 during rush hour - with one driver appearing not to notice the Safety Camera Van.
A spokesperson from North Yorkshire Police Traffic Bureau, said: " Mobile phones are huge distractions. The offences will be processed where the enquiries will begin.
"Using your mobile phone whilst driving will land you with a £200 fine and 6 points on your licence.
"Please put your phone away and #StaySafe."