An existing urban freeway with 4 lanes in each direction has the following characteristics. Traffic data: Peak hour volume (in the peak direction): 7,110 veh/h Trucks: 10% of peak hour volume PHF = 0.93 Geometric data: Lane width: 11 ft Shoulder width: 6 ft Total ramp density: 1.8 ramps per mile Terrain: rolling Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVs.) LOS A LOS B LOS C LOS D LOS E LOS F Show the demand flow rate (in pc/h/ln), mean speed (in mi/h), and density (in pc/mi/ln) for the given conditions. demand flow rate pc/h/lnmean speed mi/h density pc/mi/ln
An existing urban freeway with 4 lanes in each direction has the following characteristics. Traffic data: Peak hour volume (in the peak direction): 7,110 veh/h Trucks: 10% of peak hour volume PHF = 0.93 Geometric data: Lane width: 11 ft Shoulder width: 6 ft Total ramp density: 1.8 ramps per mile Terrain: rolling Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVs.) LOS A LOS B LOS C LOS D LOS E LOS F Show the demand flow rate (in pc/h/ln), mean speed (in mi/h), and density (in pc/mi/ln) for the given conditions. demand flow rate pc/h/lnmean speed mi/h density pc/mi/ln
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
An existing urban freeway with 4 lanes in each direction has the following characteristics.
Traffic data:
Peak hour volume (in the peak direction):
7,110 veh/h
Trucks:
10% of peak hour volume
PHF = 0.93
Geometric data:
Lane width:
11 ft
Shoulder width:
6 ft
Total ramp density:
1.8 ramps per mile
Terrain:
rolling
Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVs.)
LOS A LOS B LOS C LOS D LOS E LOS F
Show the demand flow rate (in pc/h/ln), mean speed (in mi/h), and density (in pc/mi/ln) for the given conditions.
demand flow rate pc/h/lnmean speed mi/h density pc/mi/ln
Transcribed Image Text:An existing urban freeway with 4 lanes in each direction has the following characteristics.
Traffic data:
Peak hour volume (in the peak direction): 7,110 veh/h
Trucks:
PHF = 0.93
Geometric data:
Lane width:
Shoulder width:
Total ramp density:
Terrain: rolling
11 ft
6 ft
1.8 ramps per mile
10% of peak hour volume
Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVS.)
O LOS A
O LOS B
O LOS C
LOS D
O LOS E
O LOS F
Show the demand flow rate (in pc/h/In), mean speed (in mi/h), and density (in pc/mi/ln) for the given conditions.
demand flow rate
pc/h/In
mean speed
mi/h
density
pc/mi/In
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