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Questions and Answers
What was the first automated system for controlling traffic signals developed by?
What was the first automated system for controlling traffic signals developed by?
In Australia and New Zealand, what is a 'phase' equivalent to in UK and USA traffic terminology?
In Australia and New Zealand, what is a 'phase' equivalent to in UK and USA traffic terminology?
What does a green phase indicate in terms of traffic movement?
What does a green phase indicate in terms of traffic movement?
What is a 'signal group' similar to in UK and USA traffic terminology?
What is a 'signal group' similar to in UK and USA traffic terminology?
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What is the purpose of a filter phase in UK traffic terminology?
What is the purpose of a filter phase in UK traffic terminology?
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