Sec. 9. (a) If possible, traffic cases shall be tried separate and apart from other cases and may be designated as the "traffic" session or division.
(b) When a hearing involving a misdemeanor is adjourned, the court may detain the defendant in safe custody until the defendant is admitted to bail.
(c) An objection to the validity or regularity of the information or process issued must be made by the defendant before trial.