Multi-phase traffic signals

Where you'll see it

At intersections at the same pole as traffic signals (robot) under signal head

What it means

To point out that the signals at this intersection does not follow the normal sequence. At a normal intersection you would expect that the signal in your direction will change to green after the signal for cross traffic was yellow. At this intersection your signal may remain red whilst the signal in the opposite direction changes to green

What you must do

Do not move off when approaching traffic moves off. Wait until the signal is green. The sequence of the traffic signals at this intersection can be different during normal and during peak times

Source: Signs manual IN15