Defendant appealed the decision of the trial court sustaining the violation of R.I.G.L. 1956 § 31-14-2 (prima facie limits). The Court held that even though one of the officers was not present at trial, the defendant could have called him pursuant to Rule 12 of the Traffic Tribunal Rules of Procedure. Furthermore, the defendant failed to make a motion or objection at trial and, therefore, any objection or defense is considered waived for review on appeal. Accordingly, because the defendant failed to raise the issue at trial, the Court sustained the violation.