stagecoach
75377
It's not too hard if you start off with each junction setup on its own layer and do them one at a time. Each lane of traffic has its own stopper. The routes in the controller are set up so each green phase path doesn't cross another green phase path. You could say all four lanes turning left could use the same route number as they don't cross each other. Lanes going N-S/S-N could also use the same route but lanes going W-E/E-W can't use that route as they have to cross over. Routes 9,10 and 11 are setups for pedestrian crossings, so all other routes are red when these are green.
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