This set of Traffic Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Fixed Delays”.
1. Fixed delay is caused by ________
a) control devices
b) impedance of traffic
c) when the vehicle is at rest
d) overtaking
View Answer
Explanation: Fixed delay is caused due to control devices. Control devices in the road are traffic signals. Delay caused due to impedance of traffic is known as an operational delay. And the delay caused due to vehicle at rest id known as a stopped-time delay.
2. Why control devices like traffic signals should not be overused?
a) To reduce fixed delay
b) To reduce operational delay
c) To reduce stopped-time delay
d) To reduce excessive delay
View Answer
Explanation: The control devices like traffic signals should not be overused to reduce fixed delay. Traffic signals should be installed where there is no form of control that would be beneficial in guaranteeing safety and efficiency at the intersection.
3. Level crossing causes fixed delay.
a) True
b) False
View Answer
Explanation: The above statement, “Level crossing causes fixed delay” is true. Fixed delays are caused due to control devices like traffic signals also.
4. Fixed delay does not depend on which of the following factor?
a) Traffic volume
b) Traffic signals
c) Level crossing
d) Markers
View Answer
Explanation: Fixed delay does not depend on traffic volume. Fixed delay occurs regardless of traffic volume on the road or impedance. Fixed delay depends on traffic control devices like signals, markers, and level crossings.
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