Engineering, 24.05.2021 21:10 jholland03

An undivided multi-lane highway has two lanes in each direction and carries a traffic volume of 2000 veh/hour. There are no trucks, RVs, or buses on this route. The drivers are all familiar with this road. The posted speed limit for this highway is 55 mph and there are 15 access points per mile. The lane width is 12 ft, the right shoulder clearance is 4 ft, and the peak hour factor is 0.80. (a) Find the LOS for this segment. [5 points]
(b) Suppose that in ten years time, the traffic volume for this highway has doubled. How many lanes should be added to this highway to keep the same LOS as you find in part (a) assuming all other factors are not changed?

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An undivided multi-lane highway has two lanes in each direction and carries a traffic volume of 2000...

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