To report a problem with a red light camera or speed camera in Montgomery County, please call the Automated Traffic Enforcement Unit (ATEU) at 240.773.6050 between the hours of 8:00 AM and 4:30 PM. Please note that the red light and speed cameras located within the municipalities of Rockville, Gaithersburg, Takoma Park, and Chevy Chase Village are operated under the direction of the police department of the respective municipality and those departments must be notified directly about camera problems in those jurisdictions.