Signals
If a Garda is controlling traffic, their signals override all other signals from traffic lights. This means that if they signal you to stop, for example, you must do so even if a green light is showing. The signals and their meanings are shown below. You must understand them so you know how to respond when in traffic.
To beckon on traffic approaching
from the front
To beckon on traffic approaching
from either side
To halt traffic approaching from
the front
To halt traffic approaching
from behind
To halt traffic approaching from the
front and behind