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In a 3-phase signal system design for a 4-leg intersection, the critical flow ratios for each phase are 0.18, 0.32, 0.22. The loss time in each of the phase is 2 sec. As per Webster’s formula, the optimal cycle length (in sec, round off to the nearest integer) is __________ .   
    Correct answer is '50'. Can you explain this answer?
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    In a 3-phase signal system design for a 4-leg intersection, the critic...
    Given :
    3-phase signal system  
    The critical flow ratio for phase 1st Y1 = 0.18
    The critical flow ratio for phase 2nd Y2 = 0.32
    The critical flow ratio for phase 3rd Y3 = 0.22
    According to Webster method, 
    Optimum cycle length, 
    ∴ Y = Y+ Y2 + Y3
    Y = 0.18+ 0.32 + 0.22 = 0.72
    ∴ On putting value in above formula, 
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    In a 3-phase signal system design for a 4-leg intersection, the critical flow ratios for each phase are 0.18, 0.32, 0.22. The loss time in each of the phase is 2 sec. As per Webster’s formula, the optimal cycle length (in sec, round off to the nearest integer) is __________ . Correct answer is '50'. Can you explain this answer?
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    In a 3-phase signal system design for a 4-leg intersection, the critical flow ratios for each phase are 0.18, 0.32, 0.22. The loss time in each of the phase is 2 sec. As per Webster’s formula, the optimal cycle length (in sec, round off to the nearest integer) is __________ . Correct answer is '50'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In a 3-phase signal system design for a 4-leg intersection, the critical flow ratios for each phase are 0.18, 0.32, 0.22. The loss time in each of the phase is 2 sec. As per Webster’s formula, the optimal cycle length (in sec, round off to the nearest integer) is __________ . Correct answer is '50'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a 3-phase signal system design for a 4-leg intersection, the critical flow ratios for each phase are 0.18, 0.32, 0.22. The loss time in each of the phase is 2 sec. As per Webster’s formula, the optimal cycle length (in sec, round off to the nearest integer) is __________ . Correct answer is '50'. Can you explain this answer?.
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