Commonwealth v. Gleason

OPINION

ZAPPALA, Justice.

We granted allowance of appeal in this case to determine whether an arresting officer possesses reasonable and articu-lable grounds to believe that a licensee violated a provision of the Vehicle Code, warranting the stop of the licensee’s car, based upon his observations that the licensee’s vehicle crossed the berm line by six to eight inches on two occasions' for a period of a second or two over a distance of approximately one quarter of a mile. The Superior'Court held that under these circumstances, an arresting officer is justified in stopping the licensee. ’

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