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A two-lane highway is currently operating at its two-way capacity in rolling terrain. The traffic stream consists...

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Question

Civil Engineering

A two-lane highway is currently operating at its two-waycapacity in
rolling terrain. The traffic stream consists of cars and trucksonly. A recent traffic
count revealed 720 vehicles (total, both directions) arriving inthe most congested 15-
min interval. What is the percentage of trucks in the trafficstream based on the ATS
service measure?
Given:
ATS:
fG=0.99 when it is rolling terrain, vp>1200
ET= 1.5
when it is rolling terrain, vp>1200

Answer & Explanation Solved by verified expert
4.0 Ratings (462 Votes)
We are given fG 099ET 15 and ER 11 Assume of trucks PT expressed as a decimalSo calculate heavy vehicle factor fHV using theformulaeSo fHV 11PT 05vp iscalculated by the formulawherevp 15mt passenger car    See Answer
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