Priority, junctions & roundabouts

In Zwolle you approach a junction with working traffic lights. There are shark's teeth in front of you and a sign with a speed limit of 50 km/h. A traffic controller is also standing on the junction. What applies here? (more than one answer possible)

A driver from the right goes first, even if your light is green
If the traffic controller waves you on, you drive on, even at red
At a green light you need not keep to the 50 km/h
Without a gesture the light regulates priority, not the shark's teeth

Explanation

False — a green light does not switch off every sign. The light only overrides signs and markings that regulate priority; the speed limit still applies (Book p.110).

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