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  3. 4. a six-lane freeway (three lanes in each directi

4. A six-lane freeway (three lanes in each direction) operates at capacity during peak hour. It...

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Civil Engineering

4. A six-lane freeway (three lanes in each direction) operates atcapacity during peak hour. It has 11-ft lanes, 4-ft rightshoulders, and there are three ramps within three miles upstream ofthe segment midpoint and four ramps within three miles downstreamof the segment midpoint. The freeway has an AADT of 60,000 veh/day.The traffic stream has 8% heavy vehicles, and it is on rollingterrain with a peak- hour factor of 0.85. It is known that 12% ofthe AADT occurs in the peak hour and that the directional factor is0.6. What is the freeway’s LOS?

Answer & Explanation Solved by verified expert
3.7 Ratings (302 Votes)
Assume Base free flow speed BFFS 70 mph Lane width 11 ft Reduction in speed corresponding to lane width fLW 19 mph Lateral Clearance 4 ft Reduction in speed    See Answer
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