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?
