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[personal profile] jack
As I understand it, a green traffic light says "you are no longer forbidden to proceed", but you are still obliged to follow the normal rules of precedence, eg. if there's oncoming traffic to wait in the middle of the road to cross it.

However, I think (?) it is increasingly common for there NOT to be two lanes that cross green-lighted at once. To the extent that people are surprised when a right-turn is green-lighted, but they have to wait for oncoming traffic to clear to take it.

And I think (?) it is rare or non-existent to have a lane green-lighted when ALL directions from that lane have a further give-way. You could, in principle, have a T-Junction which also had traffic lights, where the side road ALSO had a give way instead of or as well as the traffic-light-controlled stop-line, and the traffic lights toggled between "do not pass" and "give way", but in fact, no-where does have that, because people would assume that if it was green they could just drive forward.

If my understanding is correct, should we go a stage further, and specifically sign any green light direction where you don't have SOLE priority?
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