According to 384.226 States are not legally allowed to do this. § 384.226 Prohibition on masking convictions. The State must not mask, defer imposition of judgment, or allow an individual to enter into a diversion program that would prevent a CLP or CDL holder's conviction for any violation, in any type of motor vehicle, of a State or local traffic control law (other than parking, vehicle weight, or vehicle defect violations) from appearing on the CDLIS driver record, whether the driver was convicted for an offense committed in the State where the driver is licensed or another State.
Call a truck ticket defense place like Roadlaw.net. You may not get any points but it's still on YOUR MVR. Best to protect your CDL by fighting all moving violations.
I got one once while driving my pov in tx. Foggy morning, very small town,( premont tx) school zone in effect. Like 10 over. No deferment allowed I found out. The police chief himself wrote the ticket. Fortunately the city attorney was a friend of the firefighters union I had belonged to and he made it go away. He later ran for state office. Even though he was a Democrat, I held my nose and voted for him.