Compare the fixed time signals with manually operated signals.

Compare the fixed time signals with manually operated signals.
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1 Answer

Answer :

Fixed time signals
Manually operated signals
1. These are pre-time signals which are set to repeat regularly a cycle of red, yellow and green lights. 1. These signals are those in which timings of the phase and cycle are changed according to traffic demand.
2. Traffic personnel is not required.
2. Traffic personnel is required. 
3. It is suitable where traffic demand on different routes remain constant throughout the day.
3. It is suitable where traffic demand on different routes changes during the day. 
4. Initial cost is high. 
4. Less expensive.
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