1. Traffic illegality refers to the behavior that violates the current national traffic laws and regulations and endangers the social relations protected by the law. Traffic violations generally refer to behaviors beyond the specified scope, which may affect or potentially affect the normal order. 2. The difference between the two lies in that the former is based on the provisions of national laws, namely, mandatory and highly binding regulations; The latter is generally the specific public affairs of the department or government to maintain order and local provisions, generally administrative law enforcement, not judicial significance. General illegal acts are subject to legal constraints, ranging from civil law and administrative law to criminal offences. However, violations are generally warnings, fines, and serious administrative penalties at most.