Multiple program traffic control systems

Claim 1

A TRAFFIC CONTROL SYSTEM PERMITTING ADJUSTMENT OF TRAFFIC SIGNAL OPERATION AT VARIOUS INTERSECTIONS TO ADAPT THE SIGNAL CHANGES TO THE FLOW OF TRAFFIC, COMPRISING, TRAFFIC SIGNALS PERMITTING A RIGHT-OF-WAY INTERVAL AND A CAUTION INTERVAL FIRST TO ONE STREET THEM TO AN INTERSECTING STREET, A PLURALITY OF LOCAL TRAFFIC CONTROLLERS EACH CONTAINING A STEP SWITCH TO ENERGIZE SAID TRAFFIC SIGNALS THROUGH SAID INTERVALS, TIMING MEANS ELECTRICALLY CONNECTED TO SAID STEP SWITCH TO ENERGIZE AND TIME SAID STEP SWITCH THROUGH A RIGHT-OF-WAY INTERVAL AND A TIMED CAUTION INTERVAL TO ONE STREET AND THEN STOP, A NORMALLY CONTINUOUSLY DRIVEN SYNCHRONOUS MOTOR DRIVINGLY CONNECTED TO A TIMING DEVICE TO NORMALLY CONTINUOUSLY DRIVE SAID DEVICE, SAID TIMING DEVICE INCLUDING A SHAFT CARRYING CAMS WHICH CLOSE CONTACTS TO ENERGIZE SAID TIMING MEANS AT THE BEGINING OF EACH CYCLE AND AGAIN AT A DESIRED SPLIT OF SAID CYCLE A DIFFERENTIAL GEAR SYSTEM BETWEEN SAID SYNCHRONOUS MOTOR AND SAID SHAFT, A SECOND MOTOR CONNECTED TO SAID DIFFERENTIAL TO INTERMITTENTLY DRIVE NORMALLY STATIONARY PORTION OF SAID DIFFERENTIAL TO ROTATIONALLY OFFSET SAID SHAFT FROM SAID SYNCHRONOUS MOTOR, A PLURALITY OF OFFSET MOTOR SWITCHES, A FIRST PLURALITY OF OFFSET MOTOR SWITCH OPERATING CAMS DRIVINGLY CONNECTED TO SAID SECOND MOTOR AND PRESETTABLE FOR THE DEGREE OFFSET DESIRED, A MASTER CONTROLLER, MEANS IN SAID MASTER CONTROLLER TO DETERMINE THE PROPER OFFSET TO SELECT, OFFSET SELECTOR SWITCH MEANS FOR APPLYING POWER SELECTIVELY TO SAID OFFSET MOTOR SWITCHES, AND ELECTRIC CHANNELS CONNECTING SAID MEANS IN SAID MASTER CONTROLLER TO SAID OFFSET SELECTOR SWITCH MEANS IN SAID LOCAL CONTROLLERS.