[HCM for Basic Freeway Segments] A four-lane freeway (two lanes in each direction) has an observed...

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Civil Engineering

[HCM for Basic Freeway Segments] A four-lane freeway (two lanesin each direction) has an observed demand volume of 2400 veh/h (onedirection) during the peak hour. The freeway is on rolling terrainand the traffic stream consists of passenger cars and trucks only.The peak-hour factor is 0.75 and the traffic is all commuters. Ifthe peak 15-min demand flow rate under equivalent base conditionsis estimated to be 2000 pc/h/ln, what is the percentage of trucksin this traffic stream?

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Ans We know 15 min hourly passanger car equivalent vp vp V PHF x N x fHV x fP1 where V hourly volume 2400 vehhr PHF peak hour factor 075 N number of lanes in    See Answer
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