A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and obstructions 4 ft from the right edge of the traveled pavement. There are five ramps within three miles upstream of the segment midpoint and four ramps within three miles downstream of the segment midpoint. A directional peak-hour volume of 2000 vehicles is observed, with 600 vehicles arriving in the highest 15-min flow rate period. The traffic stream contains 18% heavy vehicles. What is the density of the traffic stream in pc/mi/In?
A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and obstructions 4 ft from the right edge of the traveled pavement. There are five ramps within three miles upstream of the segment midpoint and four ramps within three miles downstream of the segment midpoint. A directional peak-hour volume of 2000 vehicles is observed, with 600 vehicles arriving in the highest 15-min flow rate period. The traffic stream contains 18% heavy vehicles. What is the density of the traffic stream in pc/mi/In?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A six-lane freeway (three lanes in each direction) in rolling terrain has 10-ft lanes and
obstructions 4 ft from the right edge of the traveled pavement. There are five ramps within
three miles upstream of the segment midpoint and four ramps within three miles downstream
of the segment midpoint. A directional peak-hour volume of 2000 vehicles is observed, with
600 vehicles arriving in the highest 15-min flow rate period. The traffic stream contains 18%
heavy vehicles. What is the density of the traffic stream in pc/mi/In?
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