A GREEN ARROW may be provided in addition to the full green signal if movement in a certain direction is allowed before or after the full green phase. If the way is clear you may go but only in the direction shown by the arrow. You may do this whatever other lights may be showing. White light signals may be provided for trams
Two green arrows pointing down, a white arrow pointing down and two red x's in black squares along a black horizontal line.
Green arrow - lane available to traffic facing the sign.
Red crosses - lane closed to traffic facing the sign.
White diagonal arrow - change lanes in direction shown