Directional traffic control system

Claim 1

IN A SYSTEM FOR SELECTIVELY REGISTERING VEHICLES ACCORDING TO THEIR DIRECTION OF TRAVEL AS THEY MOVE ALONG A ROADWAY AND PASS THROUGH A DETECTION AREA COMPRISING AT LEAST TWO SUCCESSIVE DETECTION ZONES THE COMBINATION COMPRISING, A PLURALITY OF VEHICLE RESPONSIVE MEANS EACH DEFINING A RESPECTIVE ONE OF SAID DETECTION ZONES AND EACH BEING OPERATED TO A DISTINCTIVE CONDITION BY THE PASSAGE OF A VEHICLE THROUGH THE RESPECTIVE DETECTION ZONE, DIRECTION DETECTION MEANS, MEANS GOVERNED BY SAID VEHICLE RESPONSIVE MEANS FOR THE RESPECTIVE ZONES FOR OPERATING SAID DIRECTION DETECTION MEANS TO A DISTINCTIVE CONDITION INDICATIVE OF THE PASSAGE OF A VEHICLE IN ONE PARTICULAR DIRECTION ALONG SAID ROADWAY ONLY FOR A PARTICULAR CORRESPONDING SEQUENCE OF VEHICLE DETECTIONS BY SAID TWO VEHICLE RESPONSIVE MEANS, VEHICLE REGISTERING MEANS, CONTROL MEANS FOR SAID VEHICLE REGISTERING MEANS GOVERNED JOINTLY BY SAID VEHICLE RESPONSIVE MEANS FOR THE RESPECTIVE DETECTION ZONES AND BY SAID DIRECTION DETECTION MEANS FOR REGISTERING THE PASSAGE OF SAID VEHICLE MOVING IN SAID ONE PARTICULAR DIRECTION ONLY WHEN SAID DIRECTION RESPONSIVE MEANS HAS BEEN CONTROLLED TO SAID DISTINCTIVE CONDITION AND THE SECOND-OPERATED OF SAID VEHICLE DETECTION MEANS FOR SAID PARTICULAR DIRECTION OF VEHICLE TRAVEL HAS BEEN RESTORED TO ITS NORMAL CONDITION REGISTERATION PREVENTION MEANS FOR PREVENTING WHEN OPERATED FROM ITS NORMAL CONDITION THE REGISTRATION OF A COUNT BY SAID VEHICLE REGISTRATION MEANS, AND MEANS FOR OPERATING SAID REGISTRATION PREVENTION MEANS ONLY WHEN THE INTERVAL BETWEEN THE SUCCESSIVE OPERATIONS OF SAID TWO VEHICLE DETECTION MEANS IN RESPONSE TO A SINGLE VEHICLE IS SUBSTANTIALLY IN EXCESS OF THAT NORMALLY EXPECTED FOR A VEHICLE PASSING THROUGH SAID DETECTION, SAID LAST-NAMED OPERATING MEANS RESTORING SAID RIGISTERATION PREVENTION MEANS WHEN SAID VEHICLE IS DETECTED BY SAID SECOND OPERATED VEHICLE DETECTION MEANS.