At present, there are seven ways to inquire about traffic violations in Nanjing: 1. Go to the service hall of the traffic brigade of each city and county, and touch the inquiry terminal for inquiry. 2. Log on to the foreign service website of the Public Security Traffic Management Bureau of each municipal public security bureau: find the vehicle violation query, enter the license plate number and vehicle engine number, and click Query. 3. Telephone number 1 14. 4. Inquire by paying attention to the "playing headlines" of WeChat official account. 5, traffic violation query tool, enter the license plate information query. 6. Log in to the front belt official website, and enter the license plate number, 4 digits after the engine number or 6 digits after the frame number. 7. There are many applications on the mobile phone that can query violation information. In various application markets, you can find many related applications by querying "checking violations by playing with cars".