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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?
- Clockwork mechanisms
- Toronto traffic control
- Leonard Casciato and Josef Kates (correct)
- Sophisticated computerized control systems
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?
- Signal group
- Movement
- Filter phase
- Stage (correct)
What does a green phase indicate in terms of traffic movement?
What does a green phase indicate in terms of traffic movement?
- Gives all traffic from a particular approach the right of way through the junction (correct)
- Allows only left turns through a junction
- Indicates the end of the signal cycle
- Allows non-conflicting traffic to make particular turns through a junction
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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