So, Ian Sergeant has presented reasoning why we should not pursue more complicated schemes for applying traffic lights to intersections of dual carriageways - fair enough.
This brings me back to the incident that triggered me to start this thread: there are several intersections of dual carriageways in Perth CBD where only 1 of the 4 nodes are marked with traffic lights, and this struck me as wrong, and hence I asked what was the correct and accepted method. If we are to reject the more complex solution of adding traffic lights one node back from the interesting nodes (as implemented in Melbourne CBD, and reasoned against by Ian), surely we should be marking all 4 intersection nodes as having traffic lights ?? (not just one). what does everyone think ? Ian Steer
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