Traffic is all operations, form conversion, back to be performed in a public manner. What is object reference information? As pedestrians, motor vehicle drivers, vehicles in traffic, motorbikes, cars, trams or public transport vehicles, tractors ... form of traffic information can be single or same time.
Today, traffic congestion and traffic accidents are even more serious. With the shift from a country with a centrally planned economy to a market economy, creating conditions for strong development of the Vietnamese economy. Economic development, improving people's lives are accompanied by problems related to road traffic, traffic jams, traffic accidents, but few people realize the relationship between them. There have been a lot of directives and campaigns set out by the Ministry of Transport but will not be thorough. Only after a while, the horse got used to the old way again, the traffic situation was back there as if nothing happened.