What certificates are needed for highway supervision?

Supervision training certificate: issued by the Ministry of Communications. Usually at the end of each year, the local provincial traffic quality supervision station holds traffic supervision training. There will be a notice from the Transportation Quality Supervision Station or the local Transportation Department website that half the tuition fee is more than 2,000 points. Some provinces implement examinations for supervisors and provincial supervisory engineers. The website of the Quality Supervision Station of the Ministry of Communications is currently holding registration for the Ministry of Communications' registered supervision engineer examination. A few days ago, the registration process for inspectors and inspection engineers just ended. As an inspector, you only need a high school degree, which is the minimum requirement.