This project assisted the EPA to operate and maintain the in-use vehicle noise reporting website system, and updated and enhanced the function of system in accordance with the suggestion of citizens and EPD. For the past six years, over 150,000 report cases were received from the public reported and the police alerted, over 90% of the cases were motorcycles. The top three cases occurred in Taipei City, New Taipei City, and Taoyuan City. One training course for the EPD officials was held and the noise measurement procedure was demonstrated. After course, reduce the number of need help by EPD. This project helped EPA to inspect the processing of EPD in situ and proposed improvement suggestion. Another training course for the EPD officials was held and supported EPD to inspect Large Heavy Motorcycle and Supercar. To spot check and view 120 cases of completed measuring vehicles that EPD tested. Assisted EPA to amend about noise regulations, and provided draft of dealing with noise reporting case. To support the surveyed number、percent and in-use state for the first control machines of facility prone to generate noise by EPA.