Podcast
Questions and Answers
What was the first automated system for controlling traffic signals?
What was the first automated system for controlling traffic signals?
- A sophisticated computerized control system in Australia
- Leonard Casciato and Josef Kates' system in Toronto in 1954 (correct)
- A simple control system in New Zealand
- A clockwork mechanism in the UK
What is a 'phase' in the context of traffic signal control terminology?
What is a 'phase' in the context of traffic signal control terminology?
- The concept of a 'stage' in the UK and USA
- A period of time during which a set of traffic movements receive a red signal
- The electrical output from the traffic signal controller
- A period of time during which a set of traffic movements receive a green signal (correct)
What is a 'signal group' in the context of traffic signal control terminology?
What is a 'signal group' in the context of traffic signal control terminology?
- A sophisticated computerized control system
- A period of time during which a set of traffic movements receive a green signal
- The concept of a 'phase' in the UK and USA
- One electrical output from the traffic signal controller (correct)
What does PTV VISSIM use in its terminology for traffic signal control?
What does PTV VISSIM use in its terminology for traffic signal control?
What does the terminology 'stage' refer to in the UK and USA context of traffic signal control?
What does the terminology 'stage' refer to in the UK and USA context of traffic signal control?