The Number Of Drivers Cited Monthly For Red Light Violations In Johnson City Has Dropped By Nearly Fifty Percent This Year. That After Governor Bill Haslam Signed Into Law Legislation To Check The Power Of The Digital Law Enforcement Tool. In June, 909 Citiations Were Issued. The Bill Went Into Effect July 1st. And By The End Of That Month, The Count Dropped To 483. State Representative Matthew Hill, A Jonesboro Republican, Said That Was The Intent Of The Law.