An urban freeway is to be designed using the following information. AADT = 51,500 veh/day K (proportion of AADT occurring during the peak hour): D (proportion of peak hour traffic traveling in the peak direction): Trucks: 0.12 0.65 8% of peak hour volume PHF = 0.96 Lane width: Shoulder width: Total ramp density: Terrain: 12 ft 10 ft 0.5 interchange/mile; all interchanges are to be cloverleaf interchanges rolling Determine the number of lanes in the peak direction required to provide LOS C. (Assume commuter traffic and assume no RVs.) lanes HV Show all calculations required. (Calculate your answers for the peak direction only. Enter fy, the peak hour volume in veh/h, the free flow speed in mi/h, the demand flow rate in pc/h/In, the mean speed in mi/h, and the density in pc/mi/In.) FHV 4017 peak hour volume 3586 veh/h free flow speed 15424 mi/h demand flow rate pc/h/In mean speed mi/h density pc/mi/In
An urban freeway is to be designed using the following information. AADT = 51,500 veh/day K (proportion of AADT occurring during the peak hour): D (proportion of peak hour traffic traveling in the peak direction): Trucks: 0.12 0.65 8% of peak hour volume PHF = 0.96 Lane width: Shoulder width: Total ramp density: Terrain: 12 ft 10 ft 0.5 interchange/mile; all interchanges are to be cloverleaf interchanges rolling Determine the number of lanes in the peak direction required to provide LOS C. (Assume commuter traffic and assume no RVs.) lanes HV Show all calculations required. (Calculate your answers for the peak direction only. Enter fy, the peak hour volume in veh/h, the free flow speed in mi/h, the demand flow rate in pc/h/In, the mean speed in mi/h, and the density in pc/mi/In.) FHV 4017 peak hour volume 3586 veh/h free flow speed 15424 mi/h demand flow rate pc/h/In mean speed mi/h density pc/mi/In
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:An urban freeway is to be designed using the following information.
AADT = 51,500 veh/day
K (proportion of AADT occurring during the peak hour):
D (proportion of peak hour traffic traveling in the peak direction):
Trucks:
0.12
0.65
8% of peak hour volume
PHF = 0.96
Lane width:
Shoulder width:
Total ramp density:
Terrain:
12 ft
10 ft
0.5 interchange/mile; all interchanges are to be cloverleaf interchanges
rolling
Determine the number of lanes in the peak direction required to provide LOS C. (Assume commuter traffic and assume no RVs.)
lanes
HV
Show all calculations required. (Calculate your answers for the peak direction only. Enter fy, the peak hour volume in veh/h, the free flow speed in mi/h, the demand flow rate in pc/h/In, the mean speed in mi/h, and the density in pc/mi/In.)
FHV
4017
peak hour volume
3586
veh/h
free flow speed
15424
mi/h
demand flow rate
pc/h/In
mean speed
mi/h
density
pc/mi/In
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