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Questions and Answers
What was the first automated system for controlling traffic signals?
What was the first automated system for controlling traffic signals?
- Utilized clockwork mechanisms
- Implemented in Australia and New Zealand
- Developed in the UK in 1954
- Developed by Leonard Casciato and Josef Kates (correct)
What is a 'phase' in the context of traffic signal terminology?
What is a 'phase' in the context of traffic signal terminology?
- A path through the junction permitted for vehicles or pedestrians
- A period of time during which a set of traffic movements receive a green signal (correct)
- An electrical output from the traffic signal controller
- An indication shown to traffic on traffic signal aspects
What does a filter phase allow in the UK?
What does a filter phase allow in the UK?
- Vehicles or pedestrians to take any path through the junction
- All traffic from a particular approach to have right of way
- Non-conflicting traffic to make particular turns through a junction (correct)
- Turning traffic to proceed through the junction
In Australia and New Zealand, what is equivalent to the concept of a 'phase' in the UK and USA?
In Australia and New Zealand, what is equivalent to the concept of a 'phase' in the UK and USA?
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What was used prior to sophisticated computerized control and coordination systems for traffic lights?
What was used prior to sophisticated computerized control and coordination systems for traffic lights?
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