Traffic safety device

Claim 1

IN COMBINATION WITH A ROAD INTERSECTION DEFINED BY THE INTERSECTION OF TWO ANGULARLY DISPOSED STRETS, A MIRROR ASSEMBLY INCLUDING A MIRROR HAVING A GENERALLY FLAT AND PLANAR REFLECTING SURFACE, SAID ASSEMBLY INCLUDING MEANS DEFINING AT LEAST ONE GUIDE LINE EXTENDING SUBSTANTIALLY COMPLETELY ACROSS SAID REFLECTING SURFACE, MEANS MOUNTING SID MIRROR ASSEMBLY IN AN ELEVATED POSITION GENERALY ABOVE THE APEX FORMED BY THE INTERSECTION OF SAID STREETS WITH SAID MIRROR DISPOSED SUCH THAT A FIRST LINE PERPENDICULAR TO ITS REFLECTING SURFACE IS SLIGHTLY ACUTELY ANGULATED RELATIVE TO A SECOND LINE BISECTING THE INCLUDED ANGLE DEFINED BY SAID STREETS WHEREBY THE DRIVER OF A FIRST VEHICLE APPROACHING THE INTERSECTION ON ONE STREET MAY VIEW THE APPROACH OF A SECOND VEHICLE TOWARD THE INTERSECTION ON THE OTHER STREET AND THE IMAGE OF THE SECOND VEHICLE VIEWED BY SAID DRIVER WILL REGISTER WITH SAID LINE WHEN SAID SECOND VEHICLE IS AT A PREDETERMINED DISTANCE FROM SAID INTERSECTION.