About The three-colour traffic light: green, yellow, red — and its limits: which statement is correct?
Once an arrow is visible, the light applies EXCLUSIVELY to the direction the arrow indicates.
An illuminated bicycle image in the traffic light also applies to drivers who want to turn right.
On a green light you may always enter the junction, even if the far side is already jammed with stationary traffic.
On a yellow light you must always stop, even if you have already approached the junction too closely to brake safely.
Explanation
trap: arrow as decoration. Once an arrow is visible, the light applies EXCLUSIVELY to the direction the arrow indicates. Other directions are governed by a different light or sign