Traffic safety and traffic that the world now needs to pay attention. it is not only the mostimportant factors crucial to the development and survival of a nation, a territory but ajunction of trade between regions of countries, cultures on world together. In advancedcountries, the situation and development of their traffic is quite developed with a dense transport network and is regulated, but in Vietnam, ...Urban transport situation in Vietnam is extremely chaotic. On average there arethousands of cases every year in traffic accidents, causing serious loss of life and property. Despite being upgraded and renovated several times but the transport system of Vietnam has not improved as much. Traffic jams occur repeatedly in large cities damaging hundreds of billi on per year, not only that the injuries related to traffic accidents is also increasing, especially head injuries , spine. Circulation of vehicles on roads, railways, waterways each year but with increasing road infrastructure can present data to help the traffic situation