Question
Download Solution PDFThe type of signal in which the phase and cycle time are changed according to the traffic demand is called ________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFTraffic induced signal:
- This type of traffic signal adjusts its phase and cycle time in accordance with live traffic conditions.
- The objective is to optimize traffic flow, reducing wait times and congestion, primarily during rush hours or unexpected heavy traffic scenarios.
- They often use sensors or cameras to monitor traffic and adjust the signal timing accordingly.
Manually operated signal:
- These are traffic signals that are operated manually by a traffic controller, often seen in situations like construction zones or events that would disrupt normal traffic flow.
- Manual control allows for a human to directly respond to fluctuations in traffic demand.
Pedestrian signal:
- These signals are designed specifically for pedestrians to cross roads safely.
- They usually display walk/don't walk indications, and their phase often changes following activation by pedestrian-demand buttons.
Fixed time signal:
- A fixed time signal operates on a predetermined schedule irrespective of the traffic conditions.
- This method, while simpler, cannot adapt to changes in traffic flow and thus may create unnecessary delays during off-peak hours or insufficient signal time during peak hours.
Last updated on Jul 1, 2025
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