A control system by which vibro-tactile messages are provided to alert pedestrians when to cross a traffic light controlled intersection, said control system comprising: at least one push button station located at the traffic light controlled intersection to be crossed by pedestrians, said push button station including a push button head that is depressed by the pedestrians and message generating means adapted to cause said push button head to vibrate to provide a tactile indication to a visually impaired pedestrian when to cross the intersection; and a control unit that is responsive to the depression of the push button head of said push button station to transmit to the push button station both power and digital data signals over a single pair of wires by which to power and control the operation of said message generating means. view more

The control system recited in claim 1, wherein said at least one push button station also includes a microcontroller to receive the power and digital data signals from said control unit, said microcontroller providing output signals to control the operation of said message generating means. view more

The control system recited in claim 2, wherein said message generating means of said at least one push button station includes a vibration driver connected to said microcontroller to cause said push button head to vibrate and thereby provide said tactile indication to the visually impaired pedestrian that it is safe to cross the intersection. view more

The control system recited in claim 2, wherein said message generating means of said at least one push button station includes a sound chip in which prerecorded messages are stored and from which an audible indication is provided to the visually impaired pedestrian whether to enter the intersection depending upon the flow of vehicular traffic therethrough. view more