Defendant appealed the decision of the Appeals Panel sustaining the violation of R.I.G.L. 1956 § 31-13-4 (obedience to devices). The officer testified that he observed the defendant operate an eighteen-wheel tractor-trailer over the Pawtucket River bridge in violation of the axle restriction but did not observe the defendant drive past the traffic sign located at exit 30. Defendant claimed that the judge improperly inferred that he had operated the vehicle past the traffic sign at exit 30 because the officer only testified that he had observed the defendant cross over the Pawtucket River bridge. The Court held that it was reasonable to infer that a tractor trailer traveling from a northerly direction through the state would continue to operate solely on 95 South and, therefore, pass the traffic device located at exit 30. Accordingly, the Court sustained the violation against the defendant.