Is the traffic police detachment a party and government organ?

Yes The traffic detachment belongs to the Ministry of Public Security, which belongs to a department of the party and government organs.

Party and government organs, in a narrow sense, refer to the organs of China and the state administrative organs.

Party and government organs in a broad sense include party organs, people's congresses, administrative organs, CPPCC organs, judicial organs and procuratorial organs. It also includes agencies dispatched by party and government organs at all levels, directly affiliated institutions and people's organizations such as trade unions, the Communist Youth League and women's federations.

Traffic police, the full name of traffic police, belongs to a kind of police. Mainly responsible for directing traffic, maintaining traffic order, correcting and punishing traffic violations, handling traffic accidents and maintaining road public order.