A method for controlling city traffic 1 including the additional step of controlling the traffic flow on a multiplicity of roads forming a grid, said vehicular traffic travelling in said travel zones with nonstop speed passing every nonstop intersection through said vacate zones of a cross traffic with {HEAD ~ safety} provided by {TAIL ~ said transition zones} 
provided by
A method for controlling city traffic 1 including the additional step of controlling the traffic flow on a multiplicity of roads forming a grid , said vehicular traffic travelling in said travel zones with nonstop speed passing every nonstop intersection through said vacate zones of a cross traffic with { HEAD ~ safety } provided by { TAIL ~ said transition zones }
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