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A six-lane freeway with three lanes in each direction has regular weekday users. The lanes are 12...

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Civil Engineering

A six-lane freeway with three lanes in each direction hasregular weekday users. The

lanes are 12 feet wide, the right-side shoulder is 2 ft wide,and there are two ramps

within 3 miles upstream and two ramps within 3 miles downstreamof the segment

midpoint. The highway is on rolling terrain with 12% largetrucks and buses and 2%

recreational vehicles. The peak hour factor is 0.85. Determinethe maximum hourly

volumes that can be sustained at LOS C and LOS D densities.

Answer & Explanation Solved by verified expert
3.9 Ratings (489 Votes)
Assume Base free flow speed BFFS 75 mph Lane width 12 ft Reduction in speed corresponding to lane width fLW 0 mph Lateral Clearance 2 ft Reduction in speed corresponding to lateral clearance fLC 16    See Answer
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