In order to clarify the main affecting factors under the environment of traffic electronic enforcement, on basis of traffic investigation, the effects of the aspects of electronic enforcement, traffic marking, vehicle type and service level at intersection on traffic violation were analyzed by generalized estimation equations. The result showed that the electronic enforcement and traffic marking affected traffic violation significantly, and the cross-effect analysis of automated enforcement and traffic marking showed that the electronic enforcement could restrain traffic violation obviously when the traffic marking was complete. The complete traffic marking was the basic guarantee to achieve the original purpose of electronic enforcement building, it had an important role to restrain traffic violations and improve road traffic safety level under the environment of electronic enforcement.