A divided rural multi-lane highway is required to cope with an AADT of 40 000 vehicles per day. A 70mph design speed is chosen with lanes a standard 3.65m wide and there are no obstructions within 1.83 m of any travelled edge. The traffie is assumed to be composed entirely of private cars and the driver population is ideal. The peak hour factor is 0.9 and the directional factor, D. is estimated at 0.6. The highway is required to maintain level of service C. It is to be designed to eope with the thirtieth highest hourly volume during the year. Caleulate the required physical extent of the highway, i.e. the number of lanes required in each direction. Activate Wi
A divided rural multi-lane highway is required to cope with an AADT of 40 000 vehicles per day. A 70mph design speed is chosen with lanes a standard 3.65m wide and there are no obstructions within 1.83 m of any travelled edge. The traffie is assumed to be composed entirely of private cars and the driver population is ideal. The peak hour factor is 0.9 and the directional factor, D. is estimated at 0.6. The highway is required to maintain level of service C. It is to be designed to eope with the thirtieth highest hourly volume during the year. Caleulate the required physical extent of the highway, i.e. the number of lanes required in each direction. Activate Wi
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A divided rural multi-lane highway is required to cope with an AADT of
40000 vehicles per day.
A 70mph design speed is chosen with lanes a standard 3.65 m wide and
there are no obstructions within 1.83 m of any travelled edge. The traffic is
assumed to be composed entirely of private cars and the driver population
is ideal.
The peak hour factor is 0.9 and the directional factor, D. is estimated at
0.6. The highway is required to maintain level of service C. It is to be designed
to cope with the thirtieth highest hourly volume during the year.
Calculate the required physical extent of the highway, i.e. the number of
lanes required in each direction.
Activate Wi.
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