You have to wait for the traffic to pass.
The arrows indicate a direction of travel which is not permitted. For instance, if a signal is green, but is accompanied by a red arrow pointing to the left, it means that traffic making a left hand turn must wait until they get a green arrow.
Stop.
Yellow, then red is the patterns of the traffic lights.
Your friend probably has ereuthophobia. This is the official fear of red lights.
Yes if you run a red traffic light (in the UK)
Flashing traffic lights are used when the control system is not functioning properly, or when there is very low level traffic (to the point that lights become unnecessary).
red light is used in traffic lights because red light has a "longer wavelength" than other colours
nope
red yellow green
The lights are still in this order: RED YELLOW GREEN
They are "Confirmation Lights" which are the WHITE or BLUE light located directly above a Traffic Signal and are utilised by the Police to detect "Red Light Runners".It is "lit" when the lights are on Red.This allows the Police to see if anyone has run the red light.