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A six-lane freeway with three lanes in each direction is on a level terrain and has...

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Civil Engineering

A six-lane freeway with three lanes in each direction is on alevel terrain and has 11-ft

lanes with a 4-ft right-side shoulder. The total ramp density is2 ramps per mile. The

directional peak-hour traffic volume is 5400 vehicles with apeak-hour factor of 0.95 and

all familiar users. The traffic stream includes 5% trucks andanother 5% buses and no

recreational vehicles. The city has decided to ban all heavyvehicles from using the

freeway during the peak hour. Compute the level of servicebefore and after the heavy

vehicle ban.

Answer & Explanation Solved by verified expert
4.4 Ratings (573 Votes)
Assume Base free flow speed BFFS 75 mph Lane width 11 ft Reduction in speed corresponding to lane width fLW 19 mph Lateral Clearance 4 ft Reduction in speed corresponding to lateral clearance fLC 08 mph InterchangesRamps 2 mile Reduction in    See Answer
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