A six-lane freeway operates at capacity during the peak hour. It has 10-ft lanes, 4.3-ft shoulders, and there are 4 ramps within 3 miles upstream of the segment midpoint and 4 ramps within 3 miles downstream of the segment midpoint. The freeway is on rolling terrain and has 8% heavy vehicles with a peak-hour factor of 0.90. It is known that 12% of the AADT occurs in the peak hour. The AADT is 50,400 veh/day. What is the directional factor?
A six-lane freeway operates at capacity during the peak hour. It has 10-ft lanes, 4.3-ft shoulders, and there are 4 ramps within 3 miles upstream of the segment midpoint and 4 ramps within 3 miles downstream of the segment midpoint. The freeway is on rolling terrain and has 8% heavy vehicles with a peak-hour factor of 0.90. It is known that 12% of the AADT occurs in the peak hour. The AADT is 50,400 veh/day. What is the directional factor?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A six-lane freeway operates at capacity during the peak hour. It has 10-ft lanes, 4.3-ft shoulders, and there are 4 ramps within 3 miles upstream of the segment midpoint and 4 ramps within 3 miles downstream of the segment midpoint. The freeway is on rolling terrain and has 8% heavy vehicles with a peak-hour factor of 0.90. It is known that 12% of the AADT occurs in the peak hour. The AADT is 50,400 veh/day. What is the directional factor?
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