1. official website, Traffic Management Bureau of Beijing Public Security Bureau: official website provided detailed information on the number limit, including the time limit, the number limit range and the number limit.
2. Mobile APP: For example, the official account of Beijing traffic police WeChat, traffic housekeeper APP, etc. , all provide the function of checking the limit number, and the driver can check it at any time through the mobile phone.
3. TV station and radio station: Every morning during the rush hour, Beijing TV station and Beijing Radio and Communication Station will broadcast information about the number limit. Drivers can pay attention to these media and learn about the latest number limit measures.
4. Consult the traffic police department: If the above methods can't find accurate restrictions, you can directly consult the local traffic police department. The traffic police department will provide accurate limit information according to the license plate number or details, and answer related questions. The contact number can be obtained by searching "Beijing Traffic Police Department Contact Information".