To point out that the signals at this intersection do 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 amber. At this intersection your signal may remain red whilst the signal in the opposite direction changes to green.
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.
Where to expect it: At intersections, on the traffic-signal pole below the signal head.
