A traffic ticket would not cause a prosecutor to restore the ACD.
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No, a routine traffic stop would not cause the DA's Office to reopen the marijuana charge. A new arrest for a criminal offense could, in theory, cause the ACD'd matter to be reopened.
A new arrest for a criminal charge is the intent of a violation of the ACD, not a traffic infraction.
Note: For informational purposes only. Seek an in person consultation with an attorney to be informed about all of your rights.