The problem of multiple traffic lights at the University do not have time to tell the time, i.e. lights and lights to change from red to green, it changes the simultaneous with the opposite side.
The issue of traffic lights at many universities and is the time that the light is the time for the light to change from red to green, it's the same with the opposite side.
The problem of traffic lights many college is no time to tell the time and change is the change from red to green is changed simultaneously with the opposite side.