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 {HEAD ~ nonstop speed} passing every nonstop intersection through {TAIL ~ said vacate zones} of a cross traffic with safety provided by said transition zones 
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 { HEAD ~ nonstop speed } passing every nonstop intersection through { TAIL ~ said vacate zones } of a cross traffic with safety provided by said transition zones
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