GATE CE 2020 Set 1 — Question 55
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Transportation Engineering → Intersections & Signals → Highway Capacity
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Question
Traffic volume count has been collected on a 2-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as at level of service 'C'. The Peak Hour Factor is reported as . Historical traffic volume count provides Annual Average Daily Traffic as . Directional split of the traffic flow is observed to be . Assuming that traffic stream consists of 'All Cars' and all drivers are 'Regular Commuters', the number of extra lane(s) (round off to the next higher integer) to be provided, is ________.
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Solution
The question is missing the -factor, which represents the proportion of Annual Average Daily Traffic (AADT) that occurs during the peak hour. Without this value, the design peak hour volume cannot be determined from the given AADT. Due to this missing information, the question was declared 'Marks To All' (MTA) by the organizing institute.
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