01-13-2018, 03:53 AM
Flashing yellow and flashing red is the standard way to do this. Flashing red does not mean a 4 way stop. It means you have to stop. Flashing yellow means caution.
It is an accepted practice to turn on new traffic signals at least a week before they go into operation, so that motorists get used to seeing them in the new location.
It is an accepted practice to turn on new traffic signals at least a week before they go into operation, so that motorists get used to seeing them in the new location.