I have been trying to find the accepted practise for mapping traffic lights where dual carriageways interest. There is much discussion on various sites, but most seems to be a bit old, and I'm not convinced I've found what is the latest accepted practise.
I checked some intersections in Melbourne's CBD, and the method I saw that I liked and thought the best was where there were 4 lights at the intersection, but they were not placed on the intersecting modes, but one node back "upstream" on each way. I think this is good because no matter which way you go through the intersection, you only pass one set of lights (rather than 2 if they were placed on the actual intersecting nodes). Any comments? thanks Ian
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